200962000

素因数分解:

$2^4\times 5^3\times {\mathrm{89}}^1\times {\mathrm{1129}}^1$

素因数の和:1241

約数の個数: 80

約数和(自身を含む): 491821200

約数和(自身を除く): 290859200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 89, 100, 125, 178, 200, 250, 356, 400, 445, 500, 712, 890, 1000, 1129, 1424, 1780, 2000, 2225, 2258, 3560, 4450, 4516, 5645, 7120, 8900, 9032, 11125, 11290, 17800, 18064, 22250, 22580, 28225, 35600, 44500, 45160, 56450, 89000, 90320, 100481, 112900, 141125, 178000, 200962, 225800, 282250, 401924, 451600, 502405, 564500, 803848, 1004810, 1129000, 1607696, 2009620, 2258000, 2512025, 4019240, 5024050, 8038480, 10048100, 12560125, 20096200, 25120250, 40192400, 50240500, 100481000, 200962000]

約数ペア:

[(1, 200962000), (2, 100481000), (4, 50240500), (5, 40192400), (8, 25120250), (10, 20096200), (16, 12560125), (20, 10048100), (25, 8038480), (40, 5024050), (50, 4019240), (80, 2512025), (89, 2258000), (100, 2009620), (125, 1607696), (178, 1129000), (200, 1004810), (250, 803848), (356, 564500), (400, 502405), (445, 451600), (500, 401924), (712, 282250), (890, 225800), (1000, 200962), (1129, 178000), (1424, 141125), (1780, 112900), (2000, 100481), (2225, 90320), (2258, 89000), (3560, 56450), (4450, 45160), (4516, 44500), (5645, 35600), (7120, 28225), (8900, 22580), (9032, 22250), (11125, 18064), (11290, 17800)]