209837340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{701}}^1\times {\mathrm{1663}}^1$

素因数の和:2379

約数の個数: 72

約数和(自身を含む): 637797888

約数和(自身を除く): 427960548

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 701, 1402, 1663, 2103, 2804, 3326, 3505, 4206, 4989, 6309, 6652, 7010, 8315, 8412, 9978, 10515, 12618, 14020, 14967, 16630, 19956, 21030, 24945, 25236, 29934, 31545, 33260, 42060, 49890, 59868, 63090, 74835, 99780, 126180, 149670, 299340, 1165763, 2331526, 3497289, 4663052, 5828815, 6994578, 10491867, 11657630, 13989156, 17486445, 20983734, 23315260, 34972890, 41967468, 52459335, 69945780, 104918670, 209837340]

約数ペア:

[(1, 209837340), (2, 104918670), (3, 69945780), (4, 52459335), (5, 41967468), (6, 34972890), (9, 23315260), (10, 20983734), (12, 17486445), (15, 13989156), (18, 11657630), (20, 10491867), (30, 6994578), (36, 5828815), (45, 4663052), (60, 3497289), (90, 2331526), (180, 1165763), (701, 299340), (1402, 149670), (1663, 126180), (2103, 99780), (2804, 74835), (3326, 63090), (3505, 59868), (4206, 49890), (4989, 42060), (6309, 33260), (6652, 31545), (7010, 29934), (8315, 25236), (8412, 24945), (9978, 21030), (10515, 19956), (12618, 16630), (14020, 14967)]