840503810

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^2\times {\mathrm{139}}^1\times {\mathrm{719}}^1$

素因数の和:923

約数の個数: 48

約数和(自身を含む): 1580342400

約数和(自身を除く): 739838590

約数列:

[1, 2, 5, 10, 29, 58, 139, 145, 278, 290, 695, 719, 841, 1390, 1438, 1682, 3595, 4031, 4205, 7190, 8062, 8410, 20155, 20851, 40310, 41702, 99941, 104255, 116899, 199882, 208510, 233798, 499705, 584495, 604679, 999410, 1168990, 1209358, 2898289, 3023395, 5796578, 6046790, 14491445, 28982890, 84050381, 168100762, 420251905, 840503810]

約数ペア:

[(1, 840503810), (2, 420251905), (5, 168100762), (10, 84050381), (29, 28982890), (58, 14491445), (139, 6046790), (145, 5796578), (278, 3023395), (290, 2898289), (695, 1209358), (719, 1168990), (841, 999410), (1390, 604679), (1438, 584495), (1682, 499705), (3595, 233798), (4031, 208510), (4205, 199882), (7190, 116899), (8062, 104255), (8410, 99941), (20155, 41702), (20851, 40310)]