3457720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{233}}^1$

素因数の和:304

約数の個数: 64

約数和(自身を含む): 9097920

約数和(自身を除く): 5640200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 53, 56, 70, 106, 140, 212, 233, 265, 280, 371, 424, 466, 530, 742, 932, 1060, 1165, 1484, 1631, 1855, 1864, 2120, 2330, 2968, 3262, 3710, 4660, 6524, 7420, 8155, 9320, 12349, 13048, 14840, 16310, 24698, 32620, 49396, 61745, 65240, 86443, 98792, 123490, 172886, 246980, 345772, 432215, 493960, 691544, 864430, 1728860, 3457720]

約数ペア:

[(1, 3457720), (2, 1728860), (4, 864430), (5, 691544), (7, 493960), (8, 432215), (10, 345772), (14, 246980), (20, 172886), (28, 123490), (35, 98792), (40, 86443), (53, 65240), (56, 61745), (70, 49396), (106, 32620), (140, 24698), (212, 16310), (233, 14840), (265, 13048), (280, 12349), (371, 9320), (424, 8155), (466, 7420), (530, 6524), (742, 4660), (932, 3710), (1060, 3262), (1165, 2968), (1484, 2330), (1631, 2120), (1855, 1864)]