2957980

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1129}}^1$

素因数の和:1269

約数の個数: 24

約数和(自身を含む): 6264720

約数和(自身を除く): 3306740

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1129, 1310, 2258, 2620, 4516, 5645, 11290, 22580, 147899, 295798, 591596, 739495, 1478990, 2957980]

約数ペア:

[(1, 2957980), (2, 1478990), (4, 739495), (5, 591596), (10, 295798), (20, 147899), (131, 22580), (262, 11290), (524, 5645), (655, 4516), (1129, 2620), (1310, 2258)]