208993260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{497603}}^1$

素因数の和:497622

約数の個数: 48

約数和(自身を含む): 668779776

約数和(自身を除く): 459786516

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 497603, 995206, 1492809, 1990412, 2488015, 2985618, 3483221, 4976030, 5971236, 6966442, 7464045, 9952060, 10449663, 13932884, 14928090, 17416105, 20899326, 29856180, 34832210, 41798652, 52248315, 69664420, 104496630, 208993260]

約数ペア:

[(1, 208993260), (2, 104496630), (3, 69664420), (4, 52248315), (5, 41798652), (6, 34832210), (7, 29856180), (10, 20899326), (12, 17416105), (14, 14928090), (15, 13932884), (20, 10449663), (21, 9952060), (28, 7464045), (30, 6966442), (35, 5971236), (42, 4976030), (60, 3483221), (70, 2985618), (84, 2488015), (105, 1990412), (140, 1492809), (210, 995206), (420, 497603)]