890447030

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{279137}}^1$

素因数の和:279184

約数の個数: 32

約数和(自身を含む): 1808814240

約数和(自身を除く): 918367210

約数列:

[1, 2, 5, 10, 11, 22, 29, 55, 58, 110, 145, 290, 319, 638, 1595, 3190, 279137, 558274, 1395685, 2791370, 3070507, 6141014, 8094973, 15352535, 16189946, 30705070, 40474865, 80949730, 89044703, 178089406, 445223515, 890447030]

約数ペア:

[(1, 890447030), (2, 445223515), (5, 178089406), (10, 89044703), (11, 80949730), (22, 40474865), (29, 30705070), (55, 16189946), (58, 15352535), (110, 8094973), (145, 6141014), (290, 3070507), (319, 2791370), (638, 1395685), (1595, 558274), (3190, 279137)]