781600540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{105337}}^1$

素因数の和:105406

約数の個数: 48

約数和(自身を含む): 1911252672

約数和(自身を除く): 1129652132

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 53, 70, 106, 140, 212, 265, 371, 530, 742, 1060, 1484, 1855, 3710, 7420, 105337, 210674, 421348, 526685, 737359, 1053370, 1474718, 2106740, 2949436, 3686795, 5582861, 7373590, 11165722, 14747180, 22331444, 27914305, 39080027, 55828610, 78160054, 111657220, 156320108, 195400135, 390800270, 781600540]

約数ペア:

[(1, 781600540), (2, 390800270), (4, 195400135), (5, 156320108), (7, 111657220), (10, 78160054), (14, 55828610), (20, 39080027), (28, 27914305), (35, 22331444), (53, 14747180), (70, 11165722), (106, 7373590), (140, 5582861), (212, 3686795), (265, 2949436), (371, 2106740), (530, 1474718), (742, 1053370), (1060, 737359), (1484, 526685), (1855, 421348), (3710, 210674), (7420, 105337)]