1285391660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{32443}}^1$

素因数の和:32742

約数の個数: 48

約数和(自身を含む): 3095936256

約数和(自身を除く): 1810544596

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 283, 566, 1132, 1415, 1981, 2830, 3962, 5660, 7924, 9905, 19810, 32443, 39620, 64886, 129772, 162215, 227101, 324430, 454202, 648860, 908404, 1135505, 2271010, 4542020, 9181369, 18362738, 36725476, 45906845, 64269583, 91813690, 128539166, 183627380, 257078332, 321347915, 642695830, 1285391660]

約数ペア:

[(1, 1285391660), (2, 642695830), (4, 321347915), (5, 257078332), (7, 183627380), (10, 128539166), (14, 91813690), (20, 64269583), (28, 45906845), (35, 36725476), (70, 18362738), (140, 9181369), (283, 4542020), (566, 2271010), (1132, 1135505), (1415, 908404), (1981, 648860), (2830, 454202), (3962, 324430), (5660, 227101), (7924, 162215), (9905, 129772), (19810, 64886), (32443, 39620)]