136603640

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{311}}^1$

素因数の和:540

約数の個数: 64

約数和(自身を含む): 314496000

約数和(自身を除く): 177892360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 139, 158, 278, 311, 316, 395, 556, 622, 632, 695, 790, 1112, 1244, 1390, 1555, 1580, 2488, 2780, 3110, 3160, 5560, 6220, 10981, 12440, 21962, 24569, 43229, 43924, 49138, 54905, 86458, 87848, 98276, 109810, 122845, 172916, 196552, 216145, 219620, 245690, 345832, 432290, 439240, 491380, 864580, 982760, 1729160, 3415091, 6830182, 13660364, 17075455, 27320728, 34150910, 68301820, 136603640]

約数ペア:

[(1, 136603640), (2, 68301820), (4, 34150910), (5, 27320728), (8, 17075455), (10, 13660364), (20, 6830182), (40, 3415091), (79, 1729160), (139, 982760), (158, 864580), (278, 491380), (311, 439240), (316, 432290), (395, 345832), (556, 245690), (622, 219620), (632, 216145), (695, 196552), (790, 172916), (1112, 122845), (1244, 109810), (1390, 98276), (1555, 87848), (1580, 86458), (2488, 54905), (2780, 49138), (3110, 43924), (3160, 43229), (5560, 24569), (6220, 21962), (10981, 12440)]