2019276500

素因数分解:

$2^2\times 5^3\times {\mathrm{89}}^1\times {\mathrm{45377}}^1$

素因数の和:45485

約数の個数: 48

約数和(自身を含む): 4459749840

約数和(自身を除く): 2440473340

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 89, 100, 125, 178, 250, 356, 445, 500, 890, 1780, 2225, 4450, 8900, 11125, 22250, 44500, 45377, 90754, 181508, 226885, 453770, 907540, 1134425, 2268850, 4038553, 4537700, 5672125, 8077106, 11344250, 16154212, 20192765, 22688500, 40385530, 80771060, 100963825, 201927650, 403855300, 504819125, 1009638250, 2019276500]

約数ペア:

[(1, 2019276500), (2, 1009638250), (4, 504819125), (5, 403855300), (10, 201927650), (20, 100963825), (25, 80771060), (50, 40385530), (89, 22688500), (100, 20192765), (125, 16154212), (178, 11344250), (250, 8077106), (356, 5672125), (445, 4537700), (500, 4038553), (890, 2268850), (1780, 1134425), (2225, 907540), (4450, 453770), (8900, 226885), (11125, 181508), (22250, 90754), (44500, 45377)]