218633740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{22727}}^1$

素因数の和:22786

約数の個数: 48

約数和(自身を含む): 507834432

約数和(自身を除く): 289200692

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 185, 260, 370, 481, 740, 962, 1924, 2405, 4810, 9620, 22727, 45454, 90908, 113635, 227270, 295451, 454540, 590902, 840899, 1181804, 1477255, 1681798, 2954510, 3363596, 4204495, 5909020, 8408990, 10931687, 16817980, 21863374, 43726748, 54658435, 109316870, 218633740]

約数ペア:

[(1, 218633740), (2, 109316870), (4, 54658435), (5, 43726748), (10, 21863374), (13, 16817980), (20, 10931687), (26, 8408990), (37, 5909020), (52, 4204495), (65, 3363596), (74, 2954510), (130, 1681798), (148, 1477255), (185, 1181804), (260, 840899), (370, 590902), (481, 454540), (740, 295451), (962, 227270), (1924, 113635), (2405, 90908), (4810, 45454), (9620, 22727)]