980218510

素因数分解:

$2^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{421}}^1\times {\mathrm{1483}}^1$

素因数の和:2068

約数の個数: 32

約数和(自身を含む): 1781049312

約数和(自身を除く): 800830802

約数列:

[1, 2, 5, 10, 157, 314, 421, 785, 842, 1483, 1570, 2105, 2966, 4210, 7415, 14830, 66097, 132194, 232831, 330485, 465662, 624343, 660970, 1164155, 1248686, 2328310, 3121715, 6243430, 98021851, 196043702, 490109255, 980218510]

約数ペア:

[(1, 980218510), (2, 490109255), (5, 196043702), (10, 98021851), (157, 6243430), (314, 3121715), (421, 2328310), (785, 1248686), (842, 1164155), (1483, 660970), (1570, 624343), (2105, 465662), (2966, 330485), (4210, 232831), (7415, 132194), (14830, 66097)]