47831980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{2293}}^1$

素因数の和:2458

約数の個数: 48

約数和(自身を含む): 115617600

約数和(自身を除く): 67785620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 149, 298, 596, 745, 1043, 1490, 2086, 2293, 2980, 4172, 4586, 5215, 9172, 10430, 11465, 16051, 20860, 22930, 32102, 45860, 64204, 80255, 160510, 321020, 341657, 683314, 1366628, 1708285, 2391599, 3416570, 4783198, 6833140, 9566396, 11957995, 23915990, 47831980]

約数ペア:

[(1, 47831980), (2, 23915990), (4, 11957995), (5, 9566396), (7, 6833140), (10, 4783198), (14, 3416570), (20, 2391599), (28, 1708285), (35, 1366628), (70, 683314), (140, 341657), (149, 321020), (298, 160510), (596, 80255), (745, 64204), (1043, 45860), (1490, 32102), (2086, 22930), (2293, 20860), (2980, 16051), (4172, 11465), (4586, 10430), (5215, 9172)]