199772580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{475649}}^1$

素因数の和:475668

約数の個数: 48

約数和(自身を含む): 639273600

約数和(自身を除く): 439501020

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, 475649, 951298, 1426947, 1902596, 2378245, 2853894, 3329543, 4756490, 5707788, 6659086, 7134735, 9512980, 9988629, 13318172, 14269470, 16647715, 19977258, 28538940, 33295430, 39954516, 49943145, 66590860, 99886290, 199772580]

約数ペア:

[(1, 199772580), (2, 99886290), (3, 66590860), (4, 49943145), (5, 39954516), (6, 33295430), (7, 28538940), (10, 19977258), (12, 16647715), (14, 14269470), (15, 13318172), (20, 9988629), (21, 9512980), (28, 7134735), (30, 6659086), (35, 5707788), (42, 4756490), (60, 3329543), (70, 2853894), (84, 2378245), (105, 1902596), (140, 1426947), (210, 951298), (420, 475649)]