207958840

素因数分解:

$2^3\times 5^1\times {\mathrm{449}}^1\times {\mathrm{11579}}^1$

素因数の和:12039

約数の個数: 32

約数和(自身を含む): 468990000

約数和(自身を除く): 261031160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 449, 898, 1796, 2245, 3592, 4490, 8980, 11579, 17960, 23158, 46316, 57895, 92632, 115790, 231580, 463160, 5198971, 10397942, 20795884, 25994855, 41591768, 51989710, 103979420, 207958840]

約数ペア:

[(1, 207958840), (2, 103979420), (4, 51989710), (5, 41591768), (8, 25994855), (10, 20795884), (20, 10397942), (40, 5198971), (449, 463160), (898, 231580), (1796, 115790), (2245, 92632), (3592, 57895), (4490, 46316), (8980, 23158), (11579, 17960)]