291246231940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1237}}^1\times {\mathrm{379751}}^1$

素因数の和:381028

約数の個数: 48

約数和(自身を含む): 631858719744

約数和(自身を除く): 340612487804

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 1237, 2474, 4948, 6185, 12370, 24740, 38347, 76694, 153388, 191735, 379751, 383470, 759502, 766940, 1519004, 1898755, 3797510, 7595020, 11772281, 23544562, 47089124, 58861405, 117722810, 235445620, 469751987, 939503974, 1879007948, 2348759935, 4697519870, 9395039740, 14562311597, 29124623194, 58249246388, 72811557985, 145623115970, 291246231940]

約数ペア:

[(1, 291246231940), (2, 145623115970), (4, 72811557985), (5, 58249246388), (10, 29124623194), (20, 14562311597), (31, 9395039740), (62, 4697519870), (124, 2348759935), (155, 1879007948), (310, 939503974), (620, 469751987), (1237, 235445620), (2474, 117722810), (4948, 58861405), (6185, 47089124), (12370, 23544562), (24740, 11772281), (38347, 7595020), (76694, 3797510), (153388, 1898755), (191735, 1519004), (379751, 766940), (383470, 759502)]