199027980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1105711}}^1$

素因数の和:1105726

約数の個数: 36

約数和(自身を含む): 603718752

約数和(自身を除く): 404690772

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1105711, 2211422, 3317133, 4422844, 5528555, 6634266, 9951399, 11057110, 13268532, 16585665, 19902798, 22114220, 33171330, 39805596, 49756995, 66342660, 99513990, 199027980]

約数ペア:

[(1, 199027980), (2, 99513990), (3, 66342660), (4, 49756995), (5, 39805596), (6, 33171330), (9, 22114220), (10, 19902798), (12, 16585665), (15, 13268532), (18, 11057110), (20, 9951399), (30, 6634266), (36, 5528555), (45, 4422844), (60, 3317133), (90, 2211422), (180, 1105711)]