2870502760

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1\times {\mathrm{4093}}^1$

素因数の和:4390

約数の個数: 64

約数和(自身を含む): 6565957200

約数和(自身を除く): 3695454440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 197, 356, 394, 445, 712, 788, 890, 985, 1576, 1780, 1970, 3560, 3940, 4093, 7880, 8186, 16372, 17533, 20465, 32744, 35066, 40930, 70132, 81860, 87665, 140264, 163720, 175330, 350660, 364277, 701320, 728554, 806321, 1457108, 1612642, 1821385, 2914216, 3225284, 3642770, 4031605, 6450568, 7285540, 8063210, 14571080, 16126420, 32252840, 71762569, 143525138, 287050276, 358812845, 574100552, 717625690, 1435251380, 2870502760]

約数ペア:

[(1, 2870502760), (2, 1435251380), (4, 717625690), (5, 574100552), (8, 358812845), (10, 287050276), (20, 143525138), (40, 71762569), (89, 32252840), (178, 16126420), (197, 14571080), (356, 8063210), (394, 7285540), (445, 6450568), (712, 4031605), (788, 3642770), (890, 3225284), (985, 2914216), (1576, 1821385), (1780, 1612642), (1970, 1457108), (3560, 806321), (3940, 728554), (4093, 701320), (7880, 364277), (8186, 350660), (16372, 175330), (17533, 163720), (20465, 140264), (32744, 87665), (35066, 81860), (40930, 70132)]