208209.0000000

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{277}}^1$

素因数の和:446

約数の個数: 48

約数和(自身を含む): 21016800

約数和(自身を除く): 11936740

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 149, 220, 277, 298, 554, 596, 745, 1108, 1385, 1490, 1639, 2770, 2980, 3047, 3278, 5540, 6094, 6556, 8195, 12188, 15235, 16390, 30470, 32780, 41273, 60940, 82546, 165092, 206365, 412730, 454003, 825460, 908006, 1816012, 2270015, 4540030, 9080060]

約数ペア:

[(1, 9080060), (2, 4540030), (4, 2270015), (5, 1816012), (10, 908006), (11, 825460), (20, 454003), (22, 412730), (44, 206365), (55, 165092), (110, 82546), (149, 60940), (220, 41273), (277, 32780), (298, 30470), (554, 16390), (596, 15235), (745, 12188), (1108, 8195), (1385, 6556), (1490, 6094), (1639, 5540), (2770, 3278), (2980, 3047)]