1788220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{241}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 4390848

約数和(自身を除く): 2602628

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 53, 70, 106, 140, 212, 241, 265, 371, 482, 530, 742, 964, 1060, 1205, 1484, 1687, 1855, 2410, 3374, 3710, 4820, 6748, 7420, 8435, 12773, 16870, 25546, 33740, 51092, 63865, 89411, 127730, 178822, 255460, 357644, 447055, 894110, 1788220]

約数ペア:

[(1, 1788220), (2, 894110), (4, 447055), (5, 357644), (7, 255460), (10, 178822), (14, 127730), (20, 89411), (28, 63865), (35, 51092), (53, 33740), (70, 25546), (106, 16870), (140, 12773), (212, 8435), (241, 7420), (265, 6748), (371, 4820), (482, 3710), (530, 3374), (742, 2410), (964, 1855), (1060, 1687), (1205, 1484)]