400630970

素因数分解:

$2^1\times 5^1\times {\mathrm{907}}^1\times {\mathrm{44171}}^1$

素因数の和:45085

約数の個数: 16

約数和(自身を含む): 721947168

約数和(自身を除く): 321316198

約数列:

[1, 2, 5, 10, 907, 1814, 4535, 9070, 44171, 88342, 220855, 441710, 40063097, 80126194, 200315485, 400630970]

約数ペア:

[(1, 400630970), (2, 200315485), (5, 80126194), (10, 40063097), (907, 441710), (1814, 220855), (4535, 88342), (9070, 44171)]