565578380

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{311}}^1\times {\mathrm{1151}}^1$

素因数の和:1550

約数の個数: 48

約数和(自身を含む): 1207664640

約数和(自身を除く): 642086260

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 311, 316, 395, 622, 790, 1151, 1244, 1555, 1580, 2302, 3110, 4604, 5755, 6220, 11510, 23020, 24569, 49138, 90929, 98276, 122845, 181858, 245690, 357961, 363716, 454645, 491380, 715922, 909290, 1431844, 1789805, 1818580, 3579610, 7159220, 28278919, 56557838, 113115676, 141394595, 282789190, 565578380]

約数ペア:

[(1, 565578380), (2, 282789190), (4, 141394595), (5, 113115676), (10, 56557838), (20, 28278919), (79, 7159220), (158, 3579610), (311, 1818580), (316, 1789805), (395, 1431844), (622, 909290), (790, 715922), (1151, 491380), (1244, 454645), (1555, 363716), (1580, 357961), (2302, 245690), (3110, 181858), (4604, 122845), (5755, 98276), (6220, 90929), (11510, 49138), (23020, 24569)]