971800

素因数分解:

$2^3\times 5^2\times {\mathrm{43}}^1\times {\mathrm{113}}^1$

素因数の和:172

約数の個数: 48

約数和(自身を含む): 2332440

約数和(自身を除く): 1360640

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 43, 50, 86, 100, 113, 172, 200, 215, 226, 344, 430, 452, 565, 860, 904, 1075, 1130, 1720, 2150, 2260, 2825, 4300, 4520, 4859, 5650, 8600, 9718, 11300, 19436, 22600, 24295, 38872, 48590, 97180, 121475, 194360, 242950, 485900, 971800]

約数ペア:

[(1, 971800), (2, 485900), (4, 242950), (5, 194360), (8, 121475), (10, 97180), (20, 48590), (25, 38872), (40, 24295), (43, 22600), (50, 19436), (86, 11300), (100, 9718), (113, 8600), (172, 5650), (200, 4859), (215, 4520), (226, 4300), (344, 2825), (430, 2260), (452, 2150), (565, 1720), (860, 1130), (904, 1075)]