217025820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109609}}^1$

素因数の和:109635

約数の個数: 72

約数和(自身を含む): 718164720

約数和(自身を除く): 501138900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 109609, 219218, 328827, 438436, 548045, 657654, 986481, 1096090, 1205699, 1315308, 1644135, 1972962, 2192180, 2411398, 3288270, 3617097, 3945924, 4822796, 4932405, 6028495, 6576540, 7234194, 9864810, 10851291, 12056990, 14468388, 18085485, 19729620, 21702582, 24113980, 36170970, 43405164, 54256455, 72341940, 108512910, 217025820]

約数ペア:

[(1, 217025820), (2, 108512910), (3, 72341940), (4, 54256455), (5, 43405164), (6, 36170970), (9, 24113980), (10, 21702582), (11, 19729620), (12, 18085485), (15, 14468388), (18, 12056990), (20, 10851291), (22, 9864810), (30, 7234194), (33, 6576540), (36, 6028495), (44, 4932405), (45, 4822796), (55, 3945924), (60, 3617097), (66, 3288270), (90, 2411398), (99, 2192180), (110, 1972962), (132, 1644135), (165, 1315308), (180, 1205699), (198, 1096090), (220, 986481), (330, 657654), (396, 548045), (495, 438436), (660, 328827), (990, 219218), (1980, 109609)]