17995655208940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{397606169}}^1$

素因数の和:397606282

約数の個数: 48

約数和(自身を含む): 39544319243520

約数和(自身を除く): 21548664034580

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 73, 124, 146, 155, 292, 310, 365, 620, 730, 1460, 2263, 4526, 9052, 11315, 22630, 45260, 397606169, 795212338, 1590424676, 1988030845, 3976061690, 7952123380, 12325791239, 24651582478, 29025250337, 49303164956, 58050500674, 61628956195, 116101001348, 123257912390, 145126251685, 246515824780, 290252503370, 580505006740, 899782760447, 1799565520894, 3599131041788, 4498913802235, 8997827604470, 17995655208940]

約数ペア:

[(1, 17995655208940), (2, 8997827604470), (4, 4498913802235), (5, 3599131041788), (10, 1799565520894), (20, 899782760447), (31, 580505006740), (62, 290252503370), (73, 246515824780), (124, 145126251685), (146, 123257912390), (155, 116101001348), (292, 61628956195), (310, 58050500674), (365, 49303164956), (620, 29025250337), (730, 24651582478), (1460, 12325791239), (2263, 7952123380), (4526, 3976061690), (9052, 1988030845), (11315, 1590424676), (22630, 795212338), (45260, 397606169)]