491488340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{877}}^1\times {\mathrm{4003}}^1$

素因数の和:4896

約数の個数: 48

約数和(自身を含む): 1181212032

約数和(自身を除く): 689723692

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 877, 1754, 3508, 4003, 4385, 6139, 8006, 8770, 12278, 16012, 17540, 20015, 24556, 28021, 30695, 40030, 56042, 61390, 80060, 112084, 122780, 140105, 280210, 560420, 3510631, 7021262, 14042524, 17553155, 24574417, 35106310, 49148834, 70212620, 98297668, 122872085, 245744170, 491488340]

約数ペア:

[(1, 491488340), (2, 245744170), (4, 122872085), (5, 98297668), (7, 70212620), (10, 49148834), (14, 35106310), (20, 24574417), (28, 17553155), (35, 14042524), (70, 7021262), (140, 3510631), (877, 560420), (1754, 280210), (3508, 140105), (4003, 122780), (4385, 112084), (6139, 80060), (8006, 61390), (8770, 56042), (12278, 40030), (16012, 30695), (17540, 28021), (20015, 24556)]