208978832120

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{11981}}^1\times {\mathrm{10141}}^1$

素因数の和:22176

約数の個数: 64

約数和(自身を含む): 481224918240

約数和(自身を除く): 272246086120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 10141, 11981, 20282, 23962, 40564, 47924, 50705, 59905, 81128, 95848, 101410, 119810, 202820, 239620, 405640, 436063, 479240, 515183, 872126, 1030366, 1744252, 2060732, 2180315, 2575915, 3488504, 4121464, 4360630, 5151830, 8721260, 10303660, 17442520, 20607320, 121499321, 242998642, 485997284, 607496605, 971994568, 1214993210, 2429986420, 4859972840, 5224470803, 10448941606, 20897883212, 26122354015, 41795766424, 52244708030, 104489416060, 208978832120]

約数ペア:

[(1, 208978832120), (2, 104489416060), (4, 52244708030), (5, 41795766424), (8, 26122354015), (10, 20897883212), (20, 10448941606), (40, 5224470803), (43, 4859972840), (86, 2429986420), (172, 1214993210), (215, 971994568), (344, 607496605), (430, 485997284), (860, 242998642), (1720, 121499321), (10141, 20607320), (11981, 17442520), (20282, 10303660), (23962, 8721260), (40564, 5151830), (47924, 4360630), (50705, 4121464), (59905, 3488504), (81128, 2575915), (95848, 2180315), (101410, 2060732), (119810, 1744252), (202820, 1030366), (239620, 872126), (405640, 515183), (436063, 479240)]