281644220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:196

約数の個数: 192

約数和(自身を含む): 751887360

約数和(自身を除く): 470243140

約数列:

[1, 2, 4, 5, 10, 11, 13, 19, 20, 22, 26, 38, 44, 52, 55, 65, 71, 73, 76, 95, 110, 130, 142, 143, 146, 190, 209, 220, 247, 260, 284, 286, 292, 355, 365, 380, 418, 494, 572, 710, 715, 730, 781, 803, 836, 923, 949, 988, 1045, 1235, 1349, 1387, 1420, 1430, 1460, 1562, 1606, 1846, 1898, 2090, 2470, 2698, 2717, 2774, 2860, 3124, 3212, 3692, 3796, 3905, 4015, 4180, 4615, 4745, 4940, 5183, 5396, 5434, 5548, 6745, 6935, 7810, 8030, 9230, 9490, 10153, 10366, 10439, 10868, 13490, 13585, 13870, 14839, 15257, 15620, 16060, 17537, 18031, 18460, 18980, 20306, 20732, 20878, 25915, 26980, 27170, 27740, 29678, 30514, 35074, 36062, 40612, 41756, 50765, 51830, 52195, 54340, 57013, 59356, 61028, 67379, 70148, 72124, 74195, 76285, 87685, 90155, 98477, 101530, 103660, 104390, 114026, 134758, 148390, 152570, 175370, 180310, 192907, 196954, 198341, 203060, 208780, 228052, 269516, 285065, 296780, 305140, 336895, 350740, 360620, 385814, 393908, 396682, 492385, 570130, 673790, 741169, 771628, 793364, 964535, 984770, 991705, 1083247, 1140260, 1280201, 1347580, 1482338, 1929070, 1969540, 1983410, 2166494, 2560402, 2964676, 3705845, 3858140, 3966820, 4332988, 5120804, 5416235, 6401005, 7411690, 10832470, 12802010, 14082211, 14823380, 21664940, 25604020, 28164422, 56328844, 70411055, 140822110, 281644220]

約数ペア:

[(1, 281644220), (2, 140822110), (4, 70411055), (5, 56328844), (10, 28164422), (11, 25604020), (13, 21664940), (19, 14823380), (20, 14082211), (22, 12802010), (26, 10832470), (38, 7411690), (44, 6401005), (52, 5416235), (55, 5120804), (65, 4332988), (71, 3966820), (73, 3858140), (76, 3705845), (95, 2964676), (110, 2560402), (130, 2166494), (142, 1983410), (143, 1969540), (146, 1929070), (190, 1482338), (209, 1347580), (220, 1280201), (247, 1140260), (260, 1083247), (284, 991705), (286, 984770), (292, 964535), (355, 793364), (365, 771628), (380, 741169), (418, 673790), (494, 570130), (572, 492385), (710, 396682), (715, 393908), (730, 385814), (781, 360620), (803, 350740), (836, 336895), (923, 305140), (949, 296780), (988, 285065), (1045, 269516), (1235, 228052), (1349, 208780), (1387, 203060), (1420, 198341), (1430, 196954), (1460, 192907), (1562, 180310), (1606, 175370), (1846, 152570), (1898, 148390), (2090, 134758), (2470, 114026), (2698, 104390), (2717, 103660), (2774, 101530), (2860, 98477), (3124, 90155), (3212, 87685), (3692, 76285), (3796, 74195), (3905, 72124), (4015, 70148), (4180, 67379), (4615, 61028), (4745, 59356), (4940, 57013), (5183, 54340), (5396, 52195), (5434, 51830), (5548, 50765), (6745, 41756), (6935, 40612), (7810, 36062), (8030, 35074), (9230, 30514), (9490, 29678), (10153, 27740), (10366, 27170), (10439, 26980), (10868, 25915), (13490, 20878), (13585, 20732), (13870, 20306), (14839, 18980), (15257, 18460), (15620, 18031), (16060, 17537)]