2724980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:200

約数の個数: 48

約数和(自身を含む): 6168960

約数和(自身を除く): 3443980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 71, 76, 95, 101, 142, 190, 202, 284, 355, 380, 404, 505, 710, 1010, 1349, 1420, 1919, 2020, 2698, 3838, 5396, 6745, 7171, 7676, 9595, 13490, 14342, 19190, 26980, 28684, 35855, 38380, 71710, 136249, 143420, 272498, 544996, 681245, 1362490, 2724980]

約数ペア:

[(1, 2724980), (2, 1362490), (4, 681245), (5, 544996), (10, 272498), (19, 143420), (20, 136249), (38, 71710), (71, 38380), (76, 35855), (95, 28684), (101, 26980), (142, 19190), (190, 14342), (202, 13490), (284, 9595), (355, 7676), (380, 7171), (404, 6745), (505, 5396), (710, 3838), (1010, 2698), (1349, 2020), (1420, 1919)]