200962020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{478481}}^1$

素因数の和:478500

約数の個数: 48

約数和(自身を含む): 643079808

約数和(自身を除く): 442117788

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, 478481, 956962, 1435443, 1913924, 2392405, 2870886, 3349367, 4784810, 5741772, 6698734, 7177215, 9569620, 10048101, 13397468, 14354430, 16746835, 20096202, 28708860, 33493670, 40192404, 50240505, 66987340, 100481010, 200962020]

約数ペア:

[(1, 200962020), (2, 100481010), (3, 66987340), (4, 50240505), (5, 40192404), (6, 33493670), (7, 28708860), (10, 20096202), (12, 16746835), (14, 14354430), (15, 13397468), (20, 10048101), (21, 9569620), (28, 7177215), (30, 6698734), (35, 5741772), (42, 4784810), (60, 3349367), (70, 2870886), (84, 2392405), (105, 1913924), (140, 1435443), (210, 956962), (420, 478481)]