4211870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{181}}^1$

素因数の和:380

約数の個数: 32

約数和(自身を含む): 8255520

約数和(自身を除く): 4043650

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 179, 181, 358, 362, 895, 905, 1790, 1810, 2327, 2353, 4654, 4706, 11635, 11765, 23270, 23530, 32399, 64798, 161995, 323990, 421187, 842374, 2105935, 4211870]

約数ペア:

[(1, 4211870), (2, 2105935), (5, 842374), (10, 421187), (13, 323990), (26, 161995), (65, 64798), (130, 32399), (179, 23530), (181, 23270), (358, 11765), (362, 11635), (895, 4706), (905, 4654), (1790, 2353), (1810, 2327)]