268520260

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{253321}}^1$

素因数の和:253383

約数の個数: 24

約数和(自身を含む): 574534296

約数和(自身を除く): 306014036

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 253321, 506642, 1013284, 1266605, 2533210, 5066420, 13426013, 26852026, 53704052, 67130065, 134260130, 268520260]

約数ペア:

[(1, 268520260), (2, 134260130), (4, 67130065), (5, 53704052), (10, 26852026), (20, 13426013), (53, 5066420), (106, 2533210), (212, 1266605), (265, 1013284), (530, 506642), (1060, 253321)]