130052020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{521}}^1\times {\mathrm{1783}}^1$

素因数の和:2320

約数の個数: 48

約数和(自身を含む): 312899328

約数和(自身を除く): 182847308

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 521, 1042, 1783, 2084, 2605, 3566, 3647, 5210, 7132, 7294, 8915, 10420, 12481, 14588, 17830, 18235, 24962, 35660, 36470, 49924, 62405, 72940, 124810, 249620, 928943, 1857886, 3715772, 4644715, 6502601, 9289430, 13005202, 18578860, 26010404, 32513005, 65026010, 130052020]

約数ペア:

[(1, 130052020), (2, 65026010), (4, 32513005), (5, 26010404), (7, 18578860), (10, 13005202), (14, 9289430), (20, 6502601), (28, 4644715), (35, 3715772), (70, 1857886), (140, 928943), (521, 249620), (1042, 124810), (1783, 72940), (2084, 62405), (2605, 49924), (3566, 36470), (3647, 35660), (5210, 24962), (7132, 18235), (7294, 17830), (8915, 14588), (10420, 12481)]