1985280380

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{27581}}^1$

素因数の和:27710

約数の個数: 48

約数和(自身を含む): 4309411680

約数和(自身を除く): 2324131300

約数列:

[1, 2, 4, 5, 10, 20, 59, 61, 118, 122, 236, 244, 295, 305, 590, 610, 1180, 1220, 3599, 7198, 14396, 17995, 27581, 35990, 55162, 71980, 110324, 137905, 275810, 551620, 1627279, 1682441, 3254558, 3364882, 6509116, 6729764, 8136395, 8412205, 16272790, 16824410, 32545580, 33648820, 99264019, 198528038, 397056076, 496320095, 992640190, 1985280380]

約数ペア:

[(1, 1985280380), (2, 992640190), (4, 496320095), (5, 397056076), (10, 198528038), (20, 99264019), (59, 33648820), (61, 32545580), (118, 16824410), (122, 16272790), (236, 8412205), (244, 8136395), (295, 6729764), (305, 6509116), (590, 3364882), (610, 3254558), (1180, 1682441), (1220, 1627279), (3599, 551620), (7198, 275810), (14396, 137905), (17995, 110324), (27581, 71980), (35990, 55162)]