290386240

素因数分解:

$2^6\times 5^1\times {\mathrm{907457}}^1$

素因数の和:907474

約数の個数: 28

約数和(自身を含む): 691482996

約数和(自身を除く): 401096756

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 907457, 1814914, 3629828, 4537285, 7259656, 9074570, 14519312, 18149140, 29038624, 36298280, 58077248, 72596560, 145193120, 290386240]

約数ペア:

[(1, 290386240), (2, 145193120), (4, 72596560), (5, 58077248), (8, 36298280), (10, 29038624), (16, 18149140), (20, 14519312), (32, 9074570), (40, 7259656), (64, 4537285), (80, 3629828), (160, 1814914), (320, 907457)]