200642820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{477721}}^1$

素因数の和:477740

約数の個数: 48

約数和(自身を含む): 642058368

約数和(自身を除く): 441415548

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, 477721, 955442, 1433163, 1910884, 2388605, 2866326, 3344047, 4777210, 5732652, 6688094, 7165815, 9554420, 10032141, 13376188, 14331630, 16720235, 20064282, 28663260, 33440470, 40128564, 50160705, 66880940, 100321410, 200642820]

約数ペア:

[(1, 200642820), (2, 100321410), (3, 66880940), (4, 50160705), (5, 40128564), (6, 33440470), (7, 28663260), (10, 20064282), (12, 16720235), (14, 14331630), (15, 13376188), (20, 10032141), (21, 9554420), (28, 7165815), (30, 6688094), (35, 5732652), (42, 4777210), (60, 3344047), (70, 2866326), (84, 2388605), (105, 1910884), (140, 1433163), (210, 955442), (420, 477721)]