203480620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{103}}^2\times {\mathrm{137}}^1$

素因数の和:359

約数の個数: 72

約数和(自身を含む): 496740384

約数和(自身を除く): 293259764

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 103, 137, 140, 206, 274, 412, 515, 548, 685, 721, 959, 1030, 1370, 1442, 1918, 2060, 2740, 2884, 3605, 3836, 4795, 7210, 9590, 10609, 14111, 14420, 19180, 21218, 28222, 42436, 53045, 56444, 70555, 74263, 98777, 106090, 141110, 148526, 197554, 212180, 282220, 297052, 371315, 395108, 493885, 742630, 987770, 1453433, 1485260, 1975540, 2906866, 5813732, 7267165, 10174031, 14534330, 20348062, 29068660, 40696124, 50870155, 101740310, 203480620]

約数ペア:

[(1, 203480620), (2, 101740310), (4, 50870155), (5, 40696124), (7, 29068660), (10, 20348062), (14, 14534330), (20, 10174031), (28, 7267165), (35, 5813732), (70, 2906866), (103, 1975540), (137, 1485260), (140, 1453433), (206, 987770), (274, 742630), (412, 493885), (515, 395108), (548, 371315), (685, 297052), (721, 282220), (959, 212180), (1030, 197554), (1370, 148526), (1442, 141110), (1918, 106090), (2060, 98777), (2740, 74263), (2884, 70555), (3605, 56444), (3836, 53045), (4795, 42436), (7210, 28222), (9590, 21218), (10609, 19180), (14111, 14420)]