305180440

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{206203}}^1$

素因数の和:206251

約数の個数: 32

約数和(自身を含む): 705217680

約数和(自身を除く): 400037240

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 206203, 412406, 824812, 1031015, 1649624, 2062030, 4124060, 7629511, 8248120, 15259022, 30518044, 38147555, 61036088, 76295110, 152590220, 305180440]

約数ペア:

[(1, 305180440), (2, 152590220), (4, 76295110), (5, 61036088), (8, 38147555), (10, 30518044), (20, 15259022), (37, 8248120), (40, 7629511), (74, 4124060), (148, 2062030), (185, 1649624), (296, 1031015), (370, 824812), (740, 412406), (1480, 206203)]