27921740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{18131}}^1$

素因数の和:18158

約数の個数: 48

約数和(自身を含む): 73108224

約数和(自身を除く): 45186484

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 18131, 36262, 72524, 90655, 126917, 181310, 199441, 253834, 362620, 398882, 507668, 634585, 797764, 997205, 1269170, 1396087, 1994410, 2538340, 2792174, 3988820, 5584348, 6980435, 13960870, 27921740]

約数ペア:

[(1, 27921740), (2, 13960870), (4, 6980435), (5, 5584348), (7, 3988820), (10, 2792174), (11, 2538340), (14, 1994410), (20, 1396087), (22, 1269170), (28, 997205), (35, 797764), (44, 634585), (55, 507668), (70, 398882), (77, 362620), (110, 253834), (140, 199441), (154, 181310), (220, 126917), (308, 90655), (385, 72524), (770, 36262), (1540, 18131)]