88776980

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{619}}^1$

素因数の和:800

約数の個数: 48

約数和(自身を含む): 191237760

約数和(自身を除く): 102460780

約数列:

[1, 2, 4, 5, 10, 20, 71, 101, 142, 202, 284, 355, 404, 505, 619, 710, 1010, 1238, 1420, 2020, 2476, 3095, 6190, 7171, 12380, 14342, 28684, 35855, 43949, 62519, 71710, 87898, 125038, 143420, 175796, 219745, 250076, 312595, 439490, 625190, 878980, 1250380, 4438849, 8877698, 17755396, 22194245, 44388490, 88776980]

約数ペア:

[(1, 88776980), (2, 44388490), (4, 22194245), (5, 17755396), (10, 8877698), (20, 4438849), (71, 1250380), (101, 878980), (142, 625190), (202, 439490), (284, 312595), (355, 250076), (404, 219745), (505, 175796), (619, 143420), (710, 125038), (1010, 87898), (1238, 71710), (1420, 62519), (2020, 43949), (2476, 35855), (3095, 28684), (6190, 14342), (7171, 12380)]