157859980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{5851}}^1$

素因数の和:5950

約数の個数: 48

約数和(自身を含む): 353928960

約数和(自身を除く): 196068980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 71, 76, 95, 142, 190, 284, 355, 380, 710, 1349, 1420, 2698, 5396, 5851, 6745, 11702, 13490, 23404, 26980, 29255, 58510, 111169, 117020, 222338, 415421, 444676, 555845, 830842, 1111690, 1661684, 2077105, 2223380, 4154210, 7892999, 8308420, 15785998, 31571996, 39464995, 78929990, 157859980]

約数ペア:

[(1, 157859980), (2, 78929990), (4, 39464995), (5, 31571996), (10, 15785998), (19, 8308420), (20, 7892999), (38, 4154210), (71, 2223380), (76, 2077105), (95, 1661684), (142, 1111690), (190, 830842), (284, 555845), (355, 444676), (380, 415421), (710, 222338), (1349, 117020), (1420, 111169), (2698, 58510), (5396, 29255), (5851, 26980), (6745, 23404), (11702, 13490)]