2938180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{677}}^1$

素因数の和:724

約数の個数: 48

約数和(自身を含む): 7289856

約数和(自身を除く): 4351676

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 677, 868, 1085, 1354, 2170, 2708, 3385, 4340, 4739, 6770, 9478, 13540, 18956, 20987, 23695, 41974, 47390, 83948, 94780, 104935, 146909, 209870, 293818, 419740, 587636, 734545, 1469090, 2938180]

約数ペア:

[(1, 2938180), (2, 1469090), (4, 734545), (5, 587636), (7, 419740), (10, 293818), (14, 209870), (20, 146909), (28, 104935), (31, 94780), (35, 83948), (62, 47390), (70, 41974), (124, 23695), (140, 20987), (155, 18956), (217, 13540), (310, 9478), (434, 6770), (620, 4739), (677, 4340), (868, 3385), (1085, 2708), (1354, 2170)]