399404460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{331}}^1$

素因数の和:393

約数の個数: 288

約数和(自身を含む): 1469809152

約数和(自身を除く): 1070404692

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 17, 20, 21, 26, 28, 30, 34, 35, 39, 42, 51, 52, 60, 65, 68, 70, 78, 84, 85, 91, 102, 105, 119, 130, 140, 156, 169, 170, 182, 195, 204, 210, 221, 238, 255, 260, 273, 331, 338, 340, 357, 364, 390, 420, 442, 455, 476, 507, 510, 546, 595, 662, 663, 676, 714, 780, 845, 884, 910, 993, 1014, 1020, 1092, 1105, 1183, 1190, 1324, 1326, 1365, 1428, 1547, 1655, 1690, 1785, 1820, 1986, 2028, 2210, 2317, 2366, 2380, 2535, 2652, 2730, 2873, 3094, 3310, 3315, 3380, 3549, 3570, 3972, 4303, 4420, 4634, 4641, 4732, 4965, 5070, 5460, 5627, 5746, 5915, 6188, 6620, 6630, 6951, 7098, 7140, 7735, 8606, 8619, 9268, 9282, 9930, 10140, 11254, 11492, 11585, 11830, 12909, 13260, 13902, 14196, 14365, 15470, 16881, 17212, 17238, 17745, 18564, 19860, 20111, 21515, 22508, 23170, 23205, 23660, 25818, 27804, 28135, 28730, 30121, 30940, 33762, 34476, 34755, 35490, 39389, 40222, 43030, 43095, 46340, 46410, 51636, 55939, 56270, 57460, 60242, 60333, 64545, 67524, 69510, 70980, 73151, 78778, 80444, 84405, 86060, 86190, 90363, 92820, 100555, 111878, 112540, 118167, 120484, 120666, 129090, 139020, 146302, 150605, 157556, 167817, 168810, 172380, 180726, 196945, 201110, 219453, 223756, 236334, 241332, 258180, 279695, 292604, 301210, 301665, 335634, 337620, 361452, 365755, 391573, 393890, 402220, 438906, 451815, 472668, 512057, 559390, 590835, 602420, 603330, 671268, 731510, 783146, 787780, 839085, 877812, 903630, 950963, 1024114, 1097265, 1118780, 1174719, 1181670, 1206660, 1463020, 1536171, 1566292, 1678170, 1807260, 1901926, 1957865, 2048228, 2194530, 2349438, 2363340, 2560285, 2852889, 3072342, 3356340, 3803852, 3915730, 4389060, 4698876, 4754815, 5120570, 5705778, 5873595, 6144684, 6656741, 7680855, 7831460, 9509630, 10241140, 11411556, 11747190, 13313482, 14264445, 15361710, 19019260, 19970223, 23494380, 26626964, 28528890, 30723420, 33283705, 39940446, 57057780, 66567410, 79880892, 99851115, 133134820, 199702230, 399404460]

約数ペア:

[(1, 399404460), (2, 199702230), (3, 133134820), (4, 99851115), (5, 79880892), (6, 66567410), (7, 57057780), (10, 39940446), (12, 33283705), (13, 30723420), (14, 28528890), (15, 26626964), (17, 23494380), (20, 19970223), (21, 19019260), (26, 15361710), (28, 14264445), (30, 13313482), (34, 11747190), (35, 11411556), (39, 10241140), (42, 9509630), (51, 7831460), (52, 7680855), (60, 6656741), (65, 6144684), (68, 5873595), (70, 5705778), (78, 5120570), (84, 4754815), (85, 4698876), (91, 4389060), (102, 3915730), (105, 3803852), (119, 3356340), (130, 3072342), (140, 2852889), (156, 2560285), (169, 2363340), (170, 2349438), (182, 2194530), (195, 2048228), (204, 1957865), (210, 1901926), (221, 1807260), (238, 1678170), (255, 1566292), (260, 1536171), (273, 1463020), (331, 1206660), (338, 1181670), (340, 1174719), (357, 1118780), (364, 1097265), (390, 1024114), (420, 950963), (442, 903630), (455, 877812), (476, 839085), (507, 787780), (510, 783146), (546, 731510), (595, 671268), (662, 603330), (663, 602420), (676, 590835), (714, 559390), (780, 512057), (845, 472668), (884, 451815), (910, 438906), (993, 402220), (1014, 393890), (1020, 391573), (1092, 365755), (1105, 361452), (1183, 337620), (1190, 335634), (1324, 301665), (1326, 301210), (1365, 292604), (1428, 279695), (1547, 258180), (1655, 241332), (1690, 236334), (1785, 223756), (1820, 219453), (1986, 201110), (2028, 196945), (2210, 180726), (2317, 172380), (2366, 168810), (2380, 167817), (2535, 157556), (2652, 150605), (2730, 146302), (2873, 139020), (3094, 129090), (3310, 120666), (3315, 120484), (3380, 118167), (3549, 112540), (3570, 111878), (3972, 100555), (4303, 92820), (4420, 90363), (4634, 86190), (4641, 86060), (4732, 84405), (4965, 80444), (5070, 78778), (5460, 73151), (5627, 70980), (5746, 69510), (5915, 67524), (6188, 64545), (6620, 60333), (6630, 60242), (6951, 57460), (7098, 56270), (7140, 55939), (7735, 51636), (8606, 46410), (8619, 46340), (9268, 43095), (9282, 43030), (9930, 40222), (10140, 39389), (11254, 35490), (11492, 34755), (11585, 34476), (11830, 33762), (12909, 30940), (13260, 30121), (13902, 28730), (14196, 28135), (14365, 27804), (15470, 25818), (16881, 23660), (17212, 23205), (17238, 23170), (17745, 22508), (18564, 21515), (19860, 20111)]