78644200

素因数分解:

$2^3\times 5^2\times {\mathrm{271}}^1\times {\mathrm{1451}}^1$

素因数の和:1738

約数の個数: 48

約数和(自身を含む): 183648960

約数和(自身を除く): 105004760

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 271, 542, 1084, 1355, 1451, 2168, 2710, 2902, 5420, 5804, 6775, 7255, 10840, 11608, 13550, 14510, 27100, 29020, 36275, 54200, 58040, 72550, 145100, 290200, 393221, 786442, 1572884, 1966105, 3145768, 3932210, 7864420, 9830525, 15728840, 19661050, 39322100, 78644200]

約数ペア:

[(1, 78644200), (2, 39322100), (4, 19661050), (5, 15728840), (8, 9830525), (10, 7864420), (20, 3932210), (25, 3145768), (40, 1966105), (50, 1572884), (100, 786442), (200, 393221), (271, 290200), (542, 145100), (1084, 72550), (1355, 58040), (1451, 54200), (2168, 36275), (2710, 29020), (2902, 27100), (5420, 14510), (5804, 13550), (6775, 11608), (7255, 10840)]