211282170

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{640249}}^1$

素因数の和:640270

約数の個数: 32

約数和(自身を含む): 553176000

約数和(自身を除く): 341893830

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 330, 640249, 1280498, 1920747, 3201245, 3841494, 6402490, 7042739, 9603735, 14085478, 19207470, 21128217, 35213695, 42256434, 70427390, 105641085, 211282170]

約数ペア:

[(1, 211282170), (2, 105641085), (3, 70427390), (5, 42256434), (6, 35213695), (10, 21128217), (11, 19207470), (15, 14085478), (22, 9603735), (30, 7042739), (33, 6402490), (55, 3841494), (66, 3201245), (110, 1920747), (165, 1280498), (330, 640249)]