212454928

素因数分解:

$2^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{439}}^1$

素因数の和:632

約数の個数: 80

約数和(自身を含む): 491040000

約数和(自身を除く): 278585072

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 56, 58, 112, 116, 149, 203, 232, 298, 406, 439, 464, 596, 812, 878, 1043, 1192, 1624, 1756, 2086, 2384, 3073, 3248, 3512, 4172, 4321, 6146, 7024, 8344, 8642, 12292, 12731, 16688, 17284, 24584, 25462, 30247, 34568, 49168, 50924, 60494, 65411, 69136, 89117, 101848, 120988, 130822, 178234, 203696, 241976, 261644, 356468, 457877, 483952, 523288, 712936, 915754, 1046576, 1425872, 1831508, 1896919, 3663016, 3793838, 7326032, 7587676, 13278433, 15175352, 26556866, 30350704, 53113732, 106227464, 212454928]

約数ペア:

[(1, 212454928), (2, 106227464), (4, 53113732), (7, 30350704), (8, 26556866), (14, 15175352), (16, 13278433), (28, 7587676), (29, 7326032), (56, 3793838), (58, 3663016), (112, 1896919), (116, 1831508), (149, 1425872), (203, 1046576), (232, 915754), (298, 712936), (406, 523288), (439, 483952), (464, 457877), (596, 356468), (812, 261644), (878, 241976), (1043, 203696), (1192, 178234), (1624, 130822), (1756, 120988), (2086, 101848), (2384, 89117), (3073, 69136), (3248, 65411), (3512, 60494), (4172, 50924), (4321, 49168), (6146, 34568), (7024, 30247), (8344, 25462), (8642, 24584), (12292, 17284), (12731, 16688)]