189788020

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1\times {\mathrm{1063}}^1$

素因数の和:1264

約数の個数: 48

約数和(自身を含む): 407554560

約数和(自身を除く): 217766540

約数列:

[1, 2, 4, 5, 10, 20, 79, 113, 158, 226, 316, 395, 452, 565, 790, 1063, 1130, 1580, 2126, 2260, 4252, 5315, 8927, 10630, 17854, 21260, 35708, 44635, 83977, 89270, 120119, 167954, 178540, 240238, 335908, 419885, 480476, 600595, 839770, 1201190, 1679540, 2402380, 9489401, 18978802, 37957604, 47447005, 94894010, 189788020]

約数ペア:

[(1, 189788020), (2, 94894010), (4, 47447005), (5, 37957604), (10, 18978802), (20, 9489401), (79, 2402380), (113, 1679540), (158, 1201190), (226, 839770), (316, 600595), (395, 480476), (452, 419885), (565, 335908), (790, 240238), (1063, 178540), (1130, 167954), (1580, 120119), (2126, 89270), (2260, 83977), (4252, 44635), (5315, 35708), (8927, 21260), (10630, 17854)]