312122240

素因数分解:

$2^7\times 5^1\times {\mathrm{487691}}^1$

素因数の和:487710

約数の個数: 32

約数和(自身を含む): 746168760

約数和(自身を除く): 434046520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 487691, 975382, 1950764, 2438455, 3901528, 4876910, 7803056, 9753820, 15606112, 19507640, 31212224, 39015280, 62424448, 78030560, 156061120, 312122240]

約数ペア:

[(1, 312122240), (2, 156061120), (4, 78030560), (5, 62424448), (8, 39015280), (10, 31212224), (16, 19507640), (20, 15606112), (32, 9753820), (40, 7803056), (64, 4876910), (80, 3901528), (128, 2438455), (160, 1950764), (320, 975382), (640, 487691)]