201982760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{2549}}^1$

素因数の和:2850

約数の個数: 64

約数和(自身を含む): 521424000

約数和(自身を除く): 319441240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 283, 566, 1132, 1415, 1981, 2264, 2549, 2830, 3962, 5098, 5660, 7924, 9905, 10196, 11320, 12745, 15848, 17843, 19810, 20392, 25490, 35686, 39620, 50980, 71372, 79240, 89215, 101960, 142744, 178430, 356860, 713720, 721367, 1442734, 2885468, 3606835, 5049569, 5770936, 7213670, 10099138, 14427340, 20198276, 25247845, 28854680, 40396552, 50495690, 100991380, 201982760]

約数ペア:

[(1, 201982760), (2, 100991380), (4, 50495690), (5, 40396552), (7, 28854680), (8, 25247845), (10, 20198276), (14, 14427340), (20, 10099138), (28, 7213670), (35, 5770936), (40, 5049569), (56, 3606835), (70, 2885468), (140, 1442734), (280, 721367), (283, 713720), (566, 356860), (1132, 178430), (1415, 142744), (1981, 101960), (2264, 89215), (2549, 79240), (2830, 71372), (3962, 50980), (5098, 39620), (5660, 35686), (7924, 25490), (9905, 20392), (10196, 19810), (11320, 17843), (12745, 15848)]