208090010

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{229}}^1\times {\mathrm{1021}}^1$

素因数の和:1346

約数の個数: 32

約数和(自身を含む): 380797200

約数和(自身を除く): 172707190

約数列:

[1, 2, 5, 10, 89, 178, 229, 445, 458, 890, 1021, 1145, 2042, 2290, 5105, 10210, 20381, 40762, 90869, 101905, 181738, 203810, 233809, 454345, 467618, 908690, 1169045, 2338090, 20809001, 41618002, 104045005, 208090010]

約数ペア:

[(1, 208090010), (2, 104045005), (5, 41618002), (10, 20809001), (89, 2338090), (178, 1169045), (229, 908690), (445, 467618), (458, 454345), (890, 233809), (1021, 203810), (1145, 181738), (2042, 101905), (2290, 90869), (5105, 40762), (10210, 20381)]