1238866420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{119813}}^1$

素因数の和:119880

約数の個数: 48

約数和(自身を含む): 2898540288

約数和(自身を除く): 1659673868

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 94, 110, 188, 220, 235, 470, 517, 940, 1034, 2068, 2585, 5170, 10340, 119813, 239626, 479252, 599065, 1198130, 1317943, 2396260, 2635886, 5271772, 5631211, 6589715, 11262422, 13179430, 22524844, 26358860, 28156055, 56312110, 61943321, 112624220, 123886642, 247773284, 309716605, 619433210, 1238866420]

約数ペア:

[(1, 1238866420), (2, 619433210), (4, 309716605), (5, 247773284), (10, 123886642), (11, 112624220), (20, 61943321), (22, 56312110), (44, 28156055), (47, 26358860), (55, 22524844), (94, 13179430), (110, 11262422), (188, 6589715), (220, 5631211), (235, 5271772), (470, 2635886), (517, 2396260), (940, 1317943), (1034, 1198130), (2068, 599065), (2585, 479252), (5170, 239626), (10340, 119813)]