888937750

素因数分解:

$2^1\times 5^3\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{821}}^1$

素因数の和:970

約数の個数: 64

約数和(自身を含む): 1717282944

約数和(自身を除く): 828345194

約数列:

[1, 2, 5, 10, 25, 50, 61, 71, 122, 125, 142, 250, 305, 355, 610, 710, 821, 1525, 1642, 1775, 3050, 3550, 4105, 4331, 7625, 8210, 8662, 8875, 15250, 17750, 20525, 21655, 41050, 43310, 50081, 58291, 100162, 102625, 108275, 116582, 205250, 216550, 250405, 291455, 500810, 541375, 582910, 1082750, 1252025, 1457275, 2504050, 2914550, 3555751, 6260125, 7111502, 7286375, 12520250, 14572750, 17778755, 35557510, 88893775, 177787550, 444468875, 888937750]

約数ペア:

[(1, 888937750), (2, 444468875), (5, 177787550), (10, 88893775), (25, 35557510), (50, 17778755), (61, 14572750), (71, 12520250), (122, 7286375), (125, 7111502), (142, 6260125), (250, 3555751), (305, 2914550), (355, 2504050), (610, 1457275), (710, 1252025), (821, 1082750), (1525, 582910), (1642, 541375), (1775, 500810), (3050, 291455), (3550, 250405), (4105, 216550), (4331, 205250), (7625, 116582), (8210, 108275), (8662, 102625), (8875, 100162), (15250, 58291), (17750, 50081), (20525, 43310), (21655, 41050)]