198790620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{473311}}^1$

素因数の和:473330

約数の個数: 48

約数和(自身を含む): 636131328

約数和(自身を除く): 437340708

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, 473311, 946622, 1419933, 1893244, 2366555, 2839866, 3313177, 4733110, 5679732, 6626354, 7099665, 9466220, 9939531, 13252708, 14199330, 16565885, 19879062, 28398660, 33131770, 39758124, 49697655, 66263540, 99395310, 198790620]

約数ペア:

[(1, 198790620), (2, 99395310), (3, 66263540), (4, 49697655), (5, 39758124), (6, 33131770), (7, 28398660), (10, 19879062), (12, 16565885), (14, 14199330), (15, 13252708), (20, 9939531), (21, 9466220), (28, 7099665), (30, 6626354), (35, 5679732), (42, 4733110), (60, 3313177), (70, 2839866), (84, 2366555), (105, 1893244), (140, 1419933), (210, 946622), (420, 473311)]