202154960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{467}}^1\times {\mathrm{773}}^1$

素因数の和:1260

約数の個数: 80

約数和(自身を含む): 539001216

約数和(自身を除く): 336846256

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 467, 560, 773, 934, 1546, 1868, 2335, 3092, 3269, 3736, 3865, 4670, 5411, 6184, 6538, 7472, 7730, 9340, 10822, 12368, 13076, 15460, 16345, 18680, 21644, 26152, 27055, 30920, 32690, 37360, 43288, 52304, 54110, 61840, 65380, 86576, 108220, 130760, 216440, 261520, 360991, 432880, 721982, 1443964, 1804955, 2526937, 2887928, 3609910, 5053874, 5775856, 7219820, 10107748, 12634685, 14439640, 20215496, 25269370, 28879280, 40430992, 50538740, 101077480, 202154960]

約数ペア:

[(1, 202154960), (2, 101077480), (4, 50538740), (5, 40430992), (7, 28879280), (8, 25269370), (10, 20215496), (14, 14439640), (16, 12634685), (20, 10107748), (28, 7219820), (35, 5775856), (40, 5053874), (56, 3609910), (70, 2887928), (80, 2526937), (112, 1804955), (140, 1443964), (280, 721982), (467, 432880), (560, 360991), (773, 261520), (934, 216440), (1546, 130760), (1868, 108220), (2335, 86576), (3092, 65380), (3269, 61840), (3736, 54110), (3865, 52304), (4670, 43288), (5411, 37360), (6184, 32690), (6538, 30920), (7472, 27055), (7730, 26152), (9340, 21644), (10822, 18680), (12368, 16345), (13076, 15460)]