138796840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2243}}^1$

素因数の和:2291

約数の個数: 128

約数和(自身を含む): 407151360

約数和(自身を除く): 268354520

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 17, 20, 26, 28, 34, 35, 40, 52, 56, 65, 68, 70, 85, 91, 104, 119, 130, 136, 140, 170, 182, 221, 238, 260, 280, 340, 364, 442, 455, 476, 520, 595, 680, 728, 884, 910, 952, 1105, 1190, 1547, 1768, 1820, 2210, 2243, 2380, 3094, 3640, 4420, 4486, 4760, 6188, 7735, 8840, 8972, 11215, 12376, 15470, 15701, 17944, 22430, 29159, 30940, 31402, 38131, 44860, 58318, 61880, 62804, 76262, 78505, 89720, 116636, 125608, 145795, 152524, 157010, 190655, 204113, 233272, 266917, 291590, 305048, 314020, 381310, 408226, 495703, 533834, 583180, 628040, 762620, 816452, 991406, 1020565, 1067668, 1166360, 1334585, 1525240, 1632904, 1982812, 2041130, 2135336, 2478515, 2669170, 3469921, 3965624, 4082260, 4957030, 5338340, 6939842, 8164520, 9914060, 10676680, 13879684, 17349605, 19828120, 27759368, 34699210, 69398420, 138796840]

約数ペア:

[(1, 138796840), (2, 69398420), (4, 34699210), (5, 27759368), (7, 19828120), (8, 17349605), (10, 13879684), (13, 10676680), (14, 9914060), (17, 8164520), (20, 6939842), (26, 5338340), (28, 4957030), (34, 4082260), (35, 3965624), (40, 3469921), (52, 2669170), (56, 2478515), (65, 2135336), (68, 2041130), (70, 1982812), (85, 1632904), (91, 1525240), (104, 1334585), (119, 1166360), (130, 1067668), (136, 1020565), (140, 991406), (170, 816452), (182, 762620), (221, 628040), (238, 583180), (260, 533834), (280, 495703), (340, 408226), (364, 381310), (442, 314020), (455, 305048), (476, 291590), (520, 266917), (595, 233272), (680, 204113), (728, 190655), (884, 157010), (910, 152524), (952, 145795), (1105, 125608), (1190, 116636), (1547, 89720), (1768, 78505), (1820, 76262), (2210, 62804), (2243, 61880), (2380, 58318), (3094, 44860), (3640, 38131), (4420, 31402), (4486, 30940), (4760, 29159), (6188, 22430), (7735, 17944), (8840, 15701), (8972, 15470), (11215, 12376)]