204034180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{3671}}^1$

素因数の和:4084

約数の個数: 48

約数和(自身を含む): 491049216

約数和(自身を除く): 287015036

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 397, 794, 1588, 1985, 2779, 3671, 3970, 5558, 7342, 7940, 11116, 13895, 14684, 18355, 25697, 27790, 36710, 51394, 55580, 73420, 102788, 128485, 256970, 513940, 1457387, 2914774, 5829548, 7286935, 10201709, 14573870, 20403418, 29147740, 40806836, 51008545, 102017090, 204034180]

約数ペア:

[(1, 204034180), (2, 102017090), (4, 51008545), (5, 40806836), (7, 29147740), (10, 20403418), (14, 14573870), (20, 10201709), (28, 7286935), (35, 5829548), (70, 2914774), (140, 1457387), (397, 513940), (794, 256970), (1588, 128485), (1985, 102788), (2779, 73420), (3671, 55580), (3970, 51394), (5558, 36710), (7342, 27790), (7940, 25697), (11116, 18355), (13895, 14684)]