105821380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{107981}}^1$

素因数の和:108004

約数の個数: 36

約数和(自身を含む): 258508908

約数和(自身を除く): 152687528

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 107981, 215962, 431924, 539905, 755867, 1079810, 1511734, 2159620, 3023468, 3779335, 5291069, 7558670, 10582138, 15117340, 21164276, 26455345, 52910690, 105821380]

約数ペア:

[(1, 105821380), (2, 52910690), (4, 26455345), (5, 21164276), (7, 15117340), (10, 10582138), (14, 7558670), (20, 5291069), (28, 3779335), (35, 3023468), (49, 2159620), (70, 1511734), (98, 1079810), (140, 755867), (196, 539905), (245, 431924), (490, 215962), (980, 107981)]