2158763740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{497411}}^1$

素因数の和:497458

約数の個数: 48

約数和(自身を含む): 5348173824

約数和(自身を除く): 3189410084

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 497411, 994822, 1989644, 2487055, 3481877, 4974110, 6963754, 9948220, 13927508, 15419741, 17409385, 30839482, 34818770, 61678964, 69637540, 77098705, 107938187, 154197410, 215876374, 308394820, 431752748, 539690935, 1079381870, 2158763740]

約数ペア:

[(1, 2158763740), (2, 1079381870), (4, 539690935), (5, 431752748), (7, 308394820), (10, 215876374), (14, 154197410), (20, 107938187), (28, 77098705), (31, 69637540), (35, 61678964), (62, 34818770), (70, 30839482), (124, 17409385), (140, 15419741), (155, 13927508), (217, 9948220), (310, 6963754), (434, 4974110), (620, 3481877), (868, 2487055), (1085, 1989644), (2170, 994822), (4340, 497411)]