491676900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:271

約数の個数: 288

約数和(自身を含む): 1704974208

約数和(自身を除く): 1213297308

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 13, 15, 20, 22, 25, 26, 30, 33, 39, 44, 50, 52, 55, 60, 65, 66, 73, 75, 78, 100, 110, 130, 132, 143, 146, 150, 156, 157, 165, 195, 219, 220, 260, 275, 286, 292, 300, 314, 325, 330, 365, 390, 429, 438, 471, 550, 572, 628, 650, 660, 715, 730, 780, 785, 803, 825, 858, 876, 942, 949, 975, 1095, 1100, 1300, 1430, 1460, 1570, 1606, 1650, 1716, 1727, 1825, 1884, 1898, 1950, 2041, 2145, 2190, 2355, 2409, 2847, 2860, 3140, 3212, 3300, 3454, 3575, 3650, 3796, 3900, 3925, 4015, 4082, 4290, 4380, 4710, 4745, 4818, 5181, 5475, 5694, 6123, 6908, 7150, 7300, 7850, 8030, 8164, 8580, 8635, 9420, 9490, 9636, 10205, 10362, 10439, 10725, 10950, 11388, 11461, 11775, 12045, 12246, 14235, 14300, 15700, 16060, 17270, 18980, 20075, 20410, 20724, 20878, 21450, 21900, 22451, 22922, 23550, 23725, 24090, 24492, 25905, 28470, 30615, 31317, 34383, 34540, 40150, 40820, 41756, 42900, 43175, 44902, 45844, 47100, 47450, 48180, 51025, 51810, 52195, 56940, 57305, 60225, 61230, 62634, 67353, 68766, 71175, 80300, 86350, 89804, 94900, 102050, 103620, 104390, 112255, 114610, 120450, 122460, 125268, 126071, 129525, 134706, 137532, 142350, 148993, 153075, 156585, 171915, 172700, 204100, 208780, 224510, 229220, 240900, 252142, 259050, 260975, 269412, 284700, 286525, 297986, 306150, 313170, 336765, 343830, 378213, 446979, 449020, 504284, 518100, 521950, 561275, 573050, 595972, 612300, 626340, 630355, 673530, 687660, 744965, 756426, 782925, 859575, 893958, 1043900, 1122550, 1146100, 1260710, 1347060, 1489930, 1512852, 1565850, 1638923, 1683825, 1719150, 1787916, 1891065, 2234895, 2245100, 2521420, 2979860, 3131700, 3151775, 3277846, 3367650, 3438300, 3724825, 3782130, 4469790, 4916769, 6303550, 6555692, 6735300, 7449650, 7564260, 8194615, 8939580, 9455325, 9833538, 11174475, 12607100, 14899300, 16389230, 18910650, 19667076, 22348950, 24583845, 32778460, 37821300, 40973075, 44697900, 49167690, 81946150, 98335380, 122919225, 163892300, 245838450, 491676900]

約数ペア:

[(1, 491676900), (2, 245838450), (3, 163892300), (4, 122919225), (5, 98335380), (6, 81946150), (10, 49167690), (11, 44697900), (12, 40973075), (13, 37821300), (15, 32778460), (20, 24583845), (22, 22348950), (25, 19667076), (26, 18910650), (30, 16389230), (33, 14899300), (39, 12607100), (44, 11174475), (50, 9833538), (52, 9455325), (55, 8939580), (60, 8194615), (65, 7564260), (66, 7449650), (73, 6735300), (75, 6555692), (78, 6303550), (100, 4916769), (110, 4469790), (130, 3782130), (132, 3724825), (143, 3438300), (146, 3367650), (150, 3277846), (156, 3151775), (157, 3131700), (165, 2979860), (195, 2521420), (219, 2245100), (220, 2234895), (260, 1891065), (275, 1787916), (286, 1719150), (292, 1683825), (300, 1638923), (314, 1565850), (325, 1512852), (330, 1489930), (365, 1347060), (390, 1260710), (429, 1146100), (438, 1122550), (471, 1043900), (550, 893958), (572, 859575), (628, 782925), (650, 756426), (660, 744965), (715, 687660), (730, 673530), (780, 630355), (785, 626340), (803, 612300), (825, 595972), (858, 573050), (876, 561275), (942, 521950), (949, 518100), (975, 504284), (1095, 449020), (1100, 446979), (1300, 378213), (1430, 343830), (1460, 336765), (1570, 313170), (1606, 306150), (1650, 297986), (1716, 286525), (1727, 284700), (1825, 269412), (1884, 260975), (1898, 259050), (1950, 252142), (2041, 240900), (2145, 229220), (2190, 224510), (2355, 208780), (2409, 204100), (2847, 172700), (2860, 171915), (3140, 156585), (3212, 153075), (3300, 148993), (3454, 142350), (3575, 137532), (3650, 134706), (3796, 129525), (3900, 126071), (3925, 125268), (4015, 122460), (4082, 120450), (4290, 114610), (4380, 112255), (4710, 104390), (4745, 103620), (4818, 102050), (5181, 94900), (5475, 89804), (5694, 86350), (6123, 80300), (6908, 71175), (7150, 68766), (7300, 67353), (7850, 62634), (8030, 61230), (8164, 60225), (8580, 57305), (8635, 56940), (9420, 52195), (9490, 51810), (9636, 51025), (10205, 48180), (10362, 47450), (10439, 47100), (10725, 45844), (10950, 44902), (11388, 43175), (11461, 42900), (11775, 41756), (12045, 40820), (12246, 40150), (14235, 34540), (14300, 34383), (15700, 31317), (16060, 30615), (17270, 28470), (18980, 25905), (20075, 24492), (20410, 24090), (20724, 23725), (20878, 23550), (21450, 22922), (21900, 22451)]