1290350

素因数分解:

$2^1\times 5^2\times {\mathrm{131}}^1\times {\mathrm{197}}^1$

素因数の和:340

約数の個数: 24

約数和(自身を含む): 2430648

約数和(自身を除く): 1140298

約数列:

[1, 2, 5, 10, 25, 50, 131, 197, 262, 394, 655, 985, 1310, 1970, 3275, 4925, 6550, 9850, 25807, 51614, 129035, 258070, 645175, 1290350]

約数ペア:

[(1, 1290350), (2, 645175), (5, 258070), (10, 129035), (25, 51614), (50, 25807), (131, 9850), (197, 6550), (262, 4925), (394, 3275), (655, 1970), (985, 1310)]