198719220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{473141}}^1$

素因数の和:473160

約数の個数: 48

約数和(自身を含む): 635902848

約数和(自身を除く): 437183628

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, 473141, 946282, 1419423, 1892564, 2365705, 2838846, 3311987, 4731410, 5677692, 6623974, 7097115, 9462820, 9935961, 13247948, 14194230, 16559935, 19871922, 28388460, 33119870, 39743844, 49679805, 66239740, 99359610, 198719220]

約数ペア:

[(1, 198719220), (2, 99359610), (3, 66239740), (4, 49679805), (5, 39743844), (6, 33119870), (7, 28388460), (10, 19871922), (12, 16559935), (14, 14194230), (15, 13247948), (20, 9935961), (21, 9462820), (28, 7097115), (30, 6623974), (35, 5677692), (42, 4731410), (60, 3311987), (70, 2838846), (84, 2365705), (105, 1892564), (140, 1419423), (210, 946282), (420, 473141)]