221388040

素因数分解:

$2^3\times 5^1\times {\mathrm{229}}^1\times {\mathrm{24169}}^1$

素因数の和:24409

約数の個数: 32

約数和(自身を含む): 500319000

約数和(自身を除く): 278930960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 229, 458, 916, 1145, 1832, 2290, 4580, 9160, 24169, 48338, 96676, 120845, 193352, 241690, 483380, 966760, 5534701, 11069402, 22138804, 27673505, 44277608, 55347010, 110694020, 221388040]

約数ペア:

[(1, 221388040), (2, 110694020), (4, 55347010), (5, 44277608), (8, 27673505), (10, 22138804), (20, 11069402), (40, 5534701), (229, 966760), (458, 483380), (916, 241690), (1145, 193352), (1832, 120845), (2290, 96676), (4580, 48338), (9160, 24169)]