219737620

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{181}}^1\times {\mathrm{601}}^1$

素因数の和:892

約数の個数: 48

約数和(自身を含む): 469372176

約数和(自身を除く): 249634556

約数列:

[1, 2, 4, 5, 10, 20, 101, 181, 202, 362, 404, 505, 601, 724, 905, 1010, 1202, 1810, 2020, 2404, 3005, 3620, 6010, 12020, 18281, 36562, 60701, 73124, 91405, 108781, 121402, 182810, 217562, 242804, 303505, 365620, 435124, 543905, 607010, 1087810, 1214020, 2175620, 10986881, 21973762, 43947524, 54934405, 109868810, 219737620]

約数ペア:

[(1, 219737620), (2, 109868810), (4, 54934405), (5, 43947524), (10, 21973762), (20, 10986881), (101, 2175620), (181, 1214020), (202, 1087810), (362, 607010), (404, 543905), (505, 435124), (601, 365620), (724, 303505), (905, 242804), (1010, 217562), (1202, 182810), (1810, 121402), (2020, 108781), (2404, 91405), (3005, 73124), (3620, 60701), (6010, 36562), (12020, 18281)]