20888974700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{104917}}^1$

素因数の和:105123

約数の個数: 72

約数和(自身を含む): 49723577904

約数和(自身を除く): 28834603204

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 181, 220, 275, 362, 550, 724, 905, 1100, 1810, 1991, 3620, 3982, 4525, 7964, 9050, 9955, 18100, 19910, 39820, 49775, 99550, 104917, 199100, 209834, 419668, 524585, 1049170, 1154087, 2098340, 2308174, 2622925, 4616348, 5245850, 5770435, 10491700, 11540870, 18989977, 23081740, 28852175, 37979954, 57704350, 75959908, 94949885, 115408700, 189899770, 208889747, 379799540, 417779494, 474749425, 835558988, 949498850, 1044448735, 1898997700, 2088897470, 4177794940, 5222243675, 10444487350, 20888974700]

約数ペア:

[(1, 20888974700), (2, 10444487350), (4, 5222243675), (5, 4177794940), (10, 2088897470), (11, 1898997700), (20, 1044448735), (22, 949498850), (25, 835558988), (44, 474749425), (50, 417779494), (55, 379799540), (100, 208889747), (110, 189899770), (181, 115408700), (220, 94949885), (275, 75959908), (362, 57704350), (550, 37979954), (724, 28852175), (905, 23081740), (1100, 18989977), (1810, 11540870), (1991, 10491700), (3620, 5770435), (3982, 5245850), (4525, 4616348), (7964, 2622925), (9050, 2308174), (9955, 2098340), (18100, 1154087), (19910, 1049170), (39820, 524585), (49775, 419668), (99550, 209834), (104917, 199100)]