198976860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1105427}}^1$

素因数の和:1105442

約数の個数: 36

約数和(自身を含む): 603563688

約数和(自身を除く): 404586828

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1105427, 2210854, 3316281, 4421708, 5527135, 6632562, 9948843, 11054270, 13265124, 16581405, 19897686, 22108540, 33162810, 39795372, 49744215, 66325620, 99488430, 198976860]

約数ペア:

[(1, 198976860), (2, 99488430), (3, 66325620), (4, 49744215), (5, 39795372), (6, 33162810), (9, 22108540), (10, 19897686), (12, 16581405), (15, 13265124), (18, 11054270), (20, 9948843), (30, 6632562), (36, 5527135), (45, 4421708), (60, 3316281), (90, 2210854), (180, 1105427)]