401788897940

素因数分解:

$2^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{601}}^1\times {\mathrm{100987}}^1$

素因数の和:101928

約数の個数: 48

約数和(自身を含む): 847722356544

約数和(自身を除く): 445933458604

約数列:

[1, 2, 4, 5, 10, 20, 331, 601, 662, 1202, 1324, 1655, 2404, 3005, 3310, 6010, 6620, 12020, 100987, 198931, 201974, 397862, 403948, 504935, 795724, 994655, 1009870, 1989310, 2019740, 3978620, 33426697, 60693187, 66853394, 121386374, 133706788, 167133485, 242772748, 303465935, 334266970, 606931870, 668533940, 1213863740, 20089444897, 40178889794, 80357779588, 100447224485, 200894448970, 401788897940]

約数ペア:

[(1, 401788897940), (2, 200894448970), (4, 100447224485), (5, 80357779588), (10, 40178889794), (20, 20089444897), (331, 1213863740), (601, 668533940), (662, 606931870), (1202, 334266970), (1324, 303465935), (1655, 242772748), (2404, 167133485), (3005, 133706788), (3310, 121386374), (6010, 66853394), (6620, 60693187), (12020, 33426697), (100987, 3978620), (198931, 2019740), (201974, 1989310), (397862, 1009870), (403948, 994655), (504935, 795724)]