220740478

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1$

素因数の和:329

約数の個数: 64

約数和(自身を含む): 413614080

約数和(自身を除く): 192873602

約数列:

[1, 2, 7, 14, 17, 34, 67, 109, 119, 127, 134, 218, 238, 254, 469, 763, 889, 938, 1139, 1526, 1778, 1853, 2159, 2278, 3706, 4318, 7303, 7973, 8509, 12971, 13843, 14606, 15113, 15946, 17018, 25942, 27686, 30226, 51121, 59563, 96901, 102242, 119126, 124151, 144653, 193802, 235331, 248302, 289306, 470662, 869057, 927481, 1012571, 1647317, 1738114, 1854962, 2025142, 3294634, 6492367, 12984734, 15767177, 31534354, 110370239, 220740478]

約数ペア:

[(1, 220740478), (2, 110370239), (7, 31534354), (14, 15767177), (17, 12984734), (34, 6492367), (67, 3294634), (109, 2025142), (119, 1854962), (127, 1738114), (134, 1647317), (218, 1012571), (238, 927481), (254, 869057), (469, 470662), (763, 289306), (889, 248302), (938, 235331), (1139, 193802), (1526, 144653), (1778, 124151), (1853, 119126), (2159, 102242), (2278, 96901), (3706, 59563), (4318, 51121), (7303, 30226), (7973, 27686), (8509, 25942), (12971, 17018), (13843, 15946), (14606, 15113)]