1728860

素因数分解:

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

素因数の和:302

約数の個数: 48

約数和(自身を含む): 4245696

約数和(自身を除く): 2516836

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 53, 70, 106, 140, 212, 233, 265, 371, 466, 530, 742, 932, 1060, 1165, 1484, 1631, 1855, 2330, 3262, 3710, 4660, 6524, 7420, 8155, 12349, 16310, 24698, 32620, 49396, 61745, 86443, 123490, 172886, 246980, 345772, 432215, 864430, 1728860]

約数ペア:

[(1, 1728860), (2, 864430), (4, 432215), (5, 345772), (7, 246980), (10, 172886), (14, 123490), (20, 86443), (28, 61745), (35, 49396), (53, 32620), (70, 24698), (106, 16310), (140, 12349), (212, 8155), (233, 7420), (265, 6524), (371, 4660), (466, 3710), (530, 3262), (742, 2330), (932, 1855), (1060, 1631), (1165, 1484)]