268784860

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{311}}^1\times {\mathrm{547}}^1$

素因数の和:946

約数の個数: 48

約数和(自身を含む): 574479360

約数和(自身を除く): 305694500

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 311, 316, 395, 547, 622, 790, 1094, 1244, 1555, 1580, 2188, 2735, 3110, 5470, 6220, 10940, 24569, 43213, 49138, 86426, 98276, 122845, 170117, 172852, 216065, 245690, 340234, 432130, 491380, 680468, 850585, 864260, 1701170, 3402340, 13439243, 26878486, 53756972, 67196215, 134392430, 268784860]

約数ペア:

[(1, 268784860), (2, 134392430), (4, 67196215), (5, 53756972), (10, 26878486), (20, 13439243), (79, 3402340), (158, 1701170), (311, 864260), (316, 850585), (395, 680468), (547, 491380), (622, 432130), (790, 340234), (1094, 245690), (1244, 216065), (1555, 172852), (1580, 170117), (2188, 122845), (2735, 98276), (3110, 86426), (5470, 49138), (6220, 43213), (10940, 24569)]