31331740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^4\times {\mathrm{107}}^1$

素因数の和:160

約数の個数: 60

約数和(自身を含む): 73052280

約数和(自身を除く): 41720540

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 107, 110, 121, 214, 220, 242, 428, 484, 535, 605, 1070, 1177, 1210, 1331, 2140, 2354, 2420, 2662, 4708, 5324, 5885, 6655, 11770, 12947, 13310, 14641, 23540, 25894, 26620, 29282, 51788, 58564, 64735, 73205, 129470, 142417, 146410, 258940, 284834, 292820, 569668, 712085, 1424170, 1566587, 2848340, 3133174, 6266348, 7832935, 15665870, 31331740]

約数ペア:

[(1, 31331740), (2, 15665870), (4, 7832935), (5, 6266348), (10, 3133174), (11, 2848340), (20, 1566587), (22, 1424170), (44, 712085), (55, 569668), (107, 292820), (110, 284834), (121, 258940), (214, 146410), (220, 142417), (242, 129470), (428, 73205), (484, 64735), (535, 58564), (605, 51788), (1070, 29282), (1177, 26620), (1210, 25894), (1331, 23540), (2140, 14641), (2354, 13310), (2420, 12947), (2662, 11770), (4708, 6655), (5324, 5885)]