312290180

素因数分解:

$2^2\times 5^1\times {\mathrm{809}}^1\times {\mathrm{19301}}^1$

素因数の和:20119

約数の個数: 24

約数和(自身を含む): 656654040

約数和(自身を除く): 344363860

約数列:

[1, 2, 4, 5, 10, 20, 809, 1618, 3236, 4045, 8090, 16180, 19301, 38602, 77204, 96505, 193010, 386020, 15614509, 31229018, 62458036, 78072545, 156145090, 312290180]

約数ペア:

[(1, 312290180), (2, 156145090), (4, 78072545), (5, 62458036), (10, 31229018), (20, 15614509), (809, 386020), (1618, 193010), (3236, 96505), (4045, 77204), (8090, 38602), (16180, 19301)]