291209480

素因数分解:

$2^3\times 5^1\times {\mathrm{541}}^1\times {\mathrm{13457}}^1$

素因数の和:14009

約数の個数: 32

約数和(自身を含む): 656481240

約数和(自身を除く): 365271760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 541, 1082, 2164, 2705, 4328, 5410, 10820, 13457, 21640, 26914, 53828, 67285, 107656, 134570, 269140, 538280, 7280237, 14560474, 29120948, 36401185, 58241896, 72802370, 145604740, 291209480]

約数ペア:

[(1, 291209480), (2, 145604740), (4, 72802370), (5, 58241896), (8, 36401185), (10, 29120948), (20, 14560474), (40, 7280237), (541, 538280), (1082, 269140), (2164, 134570), (2705, 107656), (4328, 67285), (5410, 53828), (10820, 26914), (13457, 21640)]