131410550

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{569}}^1$

素因数の和:761

約数の個数: 48

約数和(自身を含む): 254448000

約数和(自身を除く): 123037450

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 149, 155, 298, 310, 569, 745, 775, 1138, 1490, 1550, 2845, 3725, 4619, 5690, 7450, 9238, 14225, 17639, 23095, 28450, 35278, 46190, 84781, 88195, 115475, 169562, 176390, 230950, 423905, 440975, 847810, 881950, 2119525, 2628211, 4239050, 5256422, 13141055, 26282110, 65705275, 131410550]

約数ペア:

[(1, 131410550), (2, 65705275), (5, 26282110), (10, 13141055), (25, 5256422), (31, 4239050), (50, 2628211), (62, 2119525), (149, 881950), (155, 847810), (298, 440975), (310, 423905), (569, 230950), (745, 176390), (775, 169562), (1138, 115475), (1490, 88195), (1550, 84781), (2845, 46190), (3725, 35278), (4619, 28450), (5690, 23095), (7450, 17639), (9238, 14225)]