380110840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{306541}}^1$

素因数の和:306583

約数の個数: 32

約数和(自身を含む): 882840960

約数和(自身を除く): 502730120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 306541, 613082, 1226164, 1532705, 2452328, 3065410, 6130820, 9502771, 12261640, 19005542, 38011084, 47513855, 76022168, 95027710, 190055420, 380110840]

約数ペア:

[(1, 380110840), (2, 190055420), (4, 95027710), (5, 76022168), (8, 47513855), (10, 38011084), (20, 19005542), (31, 12261640), (40, 9502771), (62, 6130820), (124, 3065410), (155, 2452328), (248, 1532705), (310, 1226164), (620, 613082), (1240, 306541)]