255553480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{70207}}^1$

素因数の和:70238

約数の個数: 64

約数和(自身を含む): 707696640

約数和(自身を除く): 452143160

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 70207, 140414, 280828, 351035, 491449, 561656, 702070, 912691, 982898, 1404140, 1825382, 1965796, 2457245, 2808280, 3650764, 3931592, 4563455, 4914490, 6388837, 7301528, 9126910, 9828980, 12777674, 18253820, 19657960, 25555348, 31944185, 36507640, 51110696, 63888370, 127776740, 255553480]

約数ペア:

[(1, 255553480), (2, 127776740), (4, 63888370), (5, 51110696), (7, 36507640), (8, 31944185), (10, 25555348), (13, 19657960), (14, 18253820), (20, 12777674), (26, 9828980), (28, 9126910), (35, 7301528), (40, 6388837), (52, 4914490), (56, 4563455), (65, 3931592), (70, 3650764), (91, 2808280), (104, 2457245), (130, 1965796), (140, 1825382), (182, 1404140), (260, 982898), (280, 912691), (364, 702070), (455, 561656), (520, 491449), (728, 351035), (910, 280828), (1820, 140414), (3640, 70207)]