289170020

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{6311}}^1$

素因数の和:6428

約数の個数: 48

約数和(自身を含む): 636249600

約数和(自身を除く): 347079580

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 79, 116, 145, 158, 290, 316, 395, 580, 790, 1580, 2291, 4582, 6311, 9164, 11455, 12622, 22910, 25244, 31555, 45820, 63110, 126220, 183019, 366038, 498569, 732076, 915095, 997138, 1830190, 1994276, 2492845, 3660380, 4985690, 9971380, 14458501, 28917002, 57834004, 72292505, 144585010, 289170020]

約数ペア:

[(1, 289170020), (2, 144585010), (4, 72292505), (5, 57834004), (10, 28917002), (20, 14458501), (29, 9971380), (58, 4985690), (79, 3660380), (116, 2492845), (145, 1994276), (158, 1830190), (290, 997138), (316, 915095), (395, 732076), (580, 498569), (790, 366038), (1580, 183019), (2291, 126220), (4582, 63110), (6311, 45820), (9164, 31555), (11455, 25244), (12622, 22910)]