213807550

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{2609}}^1$

素因数の和:2781

約数の個数: 48

約数和(自身を含む): 436914000

約数和(自身を除く): 223106450

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 149, 275, 298, 550, 745, 1490, 1639, 2609, 3278, 3725, 5218, 7450, 8195, 13045, 16390, 26090, 28699, 40975, 57398, 65225, 81950, 130450, 143495, 286990, 388741, 717475, 777482, 1434950, 1943705, 3887410, 4276151, 8552302, 9718525, 19437050, 21380755, 42761510, 106903775, 213807550]

約数ペア:

[(1, 213807550), (2, 106903775), (5, 42761510), (10, 21380755), (11, 19437050), (22, 9718525), (25, 8552302), (50, 4276151), (55, 3887410), (110, 1943705), (149, 1434950), (275, 777482), (298, 717475), (550, 388741), (745, 286990), (1490, 143495), (1639, 130450), (2609, 81950), (3278, 65225), (3725, 57398), (5218, 40975), (7450, 28699), (8195, 26090), (13045, 16390)]