38147180

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{739}}^1$

素因数の和:866

約数の個数: 48

約数和(自身を含む): 83916000

約数和(自身を除く): 45768820

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 89, 116, 145, 178, 290, 356, 445, 580, 739, 890, 1478, 1780, 2581, 2956, 3695, 5162, 7390, 10324, 12905, 14780, 21431, 25810, 42862, 51620, 65771, 85724, 107155, 131542, 214310, 263084, 328855, 428620, 657710, 1315420, 1907359, 3814718, 7629436, 9536795, 19073590, 38147180]

約数ペア:

[(1, 38147180), (2, 19073590), (4, 9536795), (5, 7629436), (10, 3814718), (20, 1907359), (29, 1315420), (58, 657710), (89, 428620), (116, 328855), (145, 263084), (178, 214310), (290, 131542), (356, 107155), (445, 85724), (580, 65771), (739, 51620), (890, 42862), (1478, 25810), (1780, 21431), (2581, 14780), (2956, 12905), (3695, 10324), (5162, 7390)]