31098340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{2441}}^1$

素因数の和:2477

約数の個数: 72

約数和(自身を含む): 81846072

約数和(自身を除く): 50747732

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 637, 910, 980, 1274, 1820, 2441, 2548, 3185, 4882, 6370, 9764, 12205, 12740, 17087, 24410, 31733, 34174, 48820, 63466, 68348, 85435, 119609, 126932, 158665, 170870, 222131, 239218, 317330, 341740, 444262, 478436, 598045, 634660, 888524, 1110655, 1196090, 1554917, 2221310, 2392180, 3109834, 4442620, 6219668, 7774585, 15549170, 31098340]

約数ペア:

[(1, 31098340), (2, 15549170), (4, 7774585), (5, 6219668), (7, 4442620), (10, 3109834), (13, 2392180), (14, 2221310), (20, 1554917), (26, 1196090), (28, 1110655), (35, 888524), (49, 634660), (52, 598045), (65, 478436), (70, 444262), (91, 341740), (98, 317330), (130, 239218), (140, 222131), (182, 170870), (196, 158665), (245, 126932), (260, 119609), (364, 85435), (455, 68348), (490, 63466), (637, 48820), (910, 34174), (980, 31733), (1274, 24410), (1820, 17087), (2441, 12740), (2548, 12205), (3185, 9764), (4882, 6370)]