418448780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{263}}^1$

素因数の和:423

約数の個数: 96

約数和(自身を含む): 958003200

約数和(自身を除く): 539554420

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 53, 76, 79, 95, 106, 158, 190, 212, 263, 265, 316, 380, 395, 526, 530, 790, 1007, 1052, 1060, 1315, 1501, 1580, 2014, 2630, 3002, 4028, 4187, 4997, 5035, 5260, 6004, 7505, 8374, 9994, 10070, 13939, 15010, 16748, 19988, 20140, 20777, 20935, 24985, 27878, 30020, 41554, 41870, 49970, 55756, 69695, 79553, 83108, 83740, 99940, 103885, 139390, 159106, 207770, 264841, 278780, 318212, 394763, 397765, 415540, 529682, 789526, 795530, 1059364, 1101181, 1324205, 1579052, 1591060, 1973815, 2202362, 2648410, 3947630, 4404724, 5296820, 5505905, 7895260, 11011810, 20922439, 22023620, 41844878, 83689756, 104612195, 209224390, 418448780]

約数ペア:

[(1, 418448780), (2, 209224390), (4, 104612195), (5, 83689756), (10, 41844878), (19, 22023620), (20, 20922439), (38, 11011810), (53, 7895260), (76, 5505905), (79, 5296820), (95, 4404724), (106, 3947630), (158, 2648410), (190, 2202362), (212, 1973815), (263, 1591060), (265, 1579052), (316, 1324205), (380, 1101181), (395, 1059364), (526, 795530), (530, 789526), (790, 529682), (1007, 415540), (1052, 397765), (1060, 394763), (1315, 318212), (1501, 278780), (1580, 264841), (2014, 207770), (2630, 159106), (3002, 139390), (4028, 103885), (4187, 99940), (4997, 83740), (5035, 83108), (5260, 79553), (6004, 69695), (7505, 55756), (8374, 49970), (9994, 41870), (10070, 41554), (13939, 30020), (15010, 27878), (16748, 24985), (19988, 20935), (20140, 20777)]