420143720

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{3359}}^1$

素因数の和:3482

約数の個数: 64

約数和(自身を含む): 979776000

約数和(自身を除く): 559632280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 59, 106, 118, 212, 236, 265, 295, 424, 472, 530, 590, 1060, 1180, 2120, 2360, 3127, 3359, 6254, 6718, 12508, 13436, 15635, 16795, 25016, 26872, 31270, 33590, 62540, 67180, 125080, 134360, 178027, 198181, 356054, 396362, 712108, 792724, 890135, 990905, 1424216, 1585448, 1780270, 1981810, 3560540, 3963620, 7121080, 7927240, 10503593, 21007186, 42014372, 52517965, 84028744, 105035930, 210071860, 420143720]

約数ペア:

[(1, 420143720), (2, 210071860), (4, 105035930), (5, 84028744), (8, 52517965), (10, 42014372), (20, 21007186), (40, 10503593), (53, 7927240), (59, 7121080), (106, 3963620), (118, 3560540), (212, 1981810), (236, 1780270), (265, 1585448), (295, 1424216), (424, 990905), (472, 890135), (530, 792724), (590, 712108), (1060, 396362), (1180, 356054), (2120, 198181), (2360, 178027), (3127, 134360), (3359, 125080), (6254, 67180), (6718, 62540), (12508, 33590), (13436, 31270), (15635, 26872), (16795, 25016)]