208756460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{86263}}^1$

素因数の和:86294

約数の個数: 36

約数和(自身を含む): 481870704

約数和(自身を除く): 273114244

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 86263, 172526, 345052, 431315, 862630, 948893, 1725260, 1897786, 3795572, 4744465, 9488930, 10437823, 18977860, 20875646, 41751292, 52189115, 104378230, 208756460]

約数ペア:

[(1, 208756460), (2, 104378230), (4, 52189115), (5, 41751292), (10, 20875646), (11, 18977860), (20, 10437823), (22, 9488930), (44, 4744465), (55, 3795572), (110, 1897786), (121, 1725260), (220, 948893), (242, 862630), (484, 431315), (605, 345052), (1210, 172526), (2420, 86263)]