2018350900

素因数分解:

$2^2\times 5^2\times {\mathrm{89}}^1\times {\mathrm{241}}^1\times {\mathrm{941}}^1$

素因数の和:1285

約数の個数: 72

約数和(自身を含む): 4452136920

約数和(自身を除く): 2433786020

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 89, 100, 178, 241, 356, 445, 482, 890, 941, 964, 1205, 1780, 1882, 2225, 2410, 3764, 4450, 4705, 4820, 6025, 8900, 9410, 12050, 18820, 21449, 23525, 24100, 42898, 47050, 83749, 85796, 94100, 107245, 167498, 214490, 226781, 334996, 418745, 428980, 453562, 536225, 837490, 907124, 1072450, 1133905, 1674980, 2093725, 2144900, 2267810, 4187450, 4535620, 5669525, 8374900, 11339050, 20183509, 22678100, 40367018, 80734036, 100917545, 201835090, 403670180, 504587725, 1009175450, 2018350900]

約数ペア:

[(1, 2018350900), (2, 1009175450), (4, 504587725), (5, 403670180), (10, 201835090), (20, 100917545), (25, 80734036), (50, 40367018), (89, 22678100), (100, 20183509), (178, 11339050), (241, 8374900), (356, 5669525), (445, 4535620), (482, 4187450), (890, 2267810), (941, 2144900), (964, 2093725), (1205, 1674980), (1780, 1133905), (1882, 1072450), (2225, 907124), (2410, 837490), (3764, 536225), (4450, 453562), (4705, 428980), (4820, 418745), (6025, 334996), (8900, 226781), (9410, 214490), (12050, 167498), (18820, 107245), (21449, 94100), (23525, 85796), (24100, 83749), (42898, 47050)]