612155990

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1\times {\mathrm{7109}}^1$

素因数の和:7304

約数の個数: 32

約数和(自身を含む): 1126224000

約数和(自身を除く): 514068010

約数列:

[1, 2, 5, 10, 79, 109, 158, 218, 395, 545, 790, 1090, 7109, 8611, 14218, 17222, 35545, 43055, 71090, 86110, 561611, 774881, 1123222, 1549762, 2808055, 3874405, 5616110, 7748810, 61215599, 122431198, 306077995, 612155990]

約数ペア:

[(1, 612155990), (2, 306077995), (5, 122431198), (10, 61215599), (79, 7748810), (109, 5616110), (158, 3874405), (218, 2808055), (395, 1549762), (545, 1123222), (790, 774881), (1090, 561611), (7109, 86110), (8611, 71090), (14218, 43055), (17222, 35545)]