312061480

素因数分解:

$2^3\times 5^1\times {\mathrm{1907}}^1\times {\mathrm{4091}}^1$

素因数の和:6009

約数の個数: 32

約数和(自身を含む): 702678240

約数和(自身を除く): 390616760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1907, 3814, 4091, 7628, 8182, 9535, 15256, 16364, 19070, 20455, 32728, 38140, 40910, 76280, 81820, 163640, 7801537, 15603074, 31206148, 39007685, 62412296, 78015370, 156030740, 312061480]

約数ペア:

[(1, 312061480), (2, 156030740), (4, 78015370), (5, 62412296), (8, 39007685), (10, 31206148), (20, 15603074), (40, 7801537), (1907, 163640), (3814, 81820), (4091, 76280), (7628, 40910), (8182, 38140), (9535, 32728), (15256, 20455), (16364, 19070)]