199561740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{475147}}^1$

素因数の和:475166

約数の個数: 48

約数和(自身を含む): 638598912

約数和(自身を除く): 439037172

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, 475147, 950294, 1425441, 1900588, 2375735, 2850882, 3326029, 4751470, 5701764, 6652058, 7127205, 9502940, 9978087, 13304116, 14254410, 16630145, 19956174, 28508820, 33260290, 39912348, 49890435, 66520580, 99780870, 199561740]

約数ペア:

[(1, 199561740), (2, 99780870), (3, 66520580), (4, 49890435), (5, 39912348), (6, 33260290), (7, 28508820), (10, 19956174), (12, 16630145), (14, 14254410), (15, 13304116), (20, 9978087), (21, 9502940), (28, 7127205), (30, 6652058), (35, 5701764), (42, 4751470), (60, 3326029), (70, 2850882), (84, 2375735), (105, 1900588), (140, 1425441), (210, 950294), (420, 475147)]