2181190

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{251}}^1$

素因数の和:348

約数の個数: 32

約数和(自身を含む): 4354560

約数和(自身を除く): 2173370

約数列:

[1, 2, 5, 10, 11, 22, 55, 79, 110, 158, 251, 395, 502, 790, 869, 1255, 1738, 2510, 2761, 4345, 5522, 8690, 13805, 19829, 27610, 39658, 99145, 198290, 218119, 436238, 1090595, 2181190]

約数ペア:

[(1, 2181190), (2, 1090595), (5, 436238), (10, 218119), (11, 198290), (22, 99145), (55, 39658), (79, 27610), (110, 19829), (158, 13805), (251, 8690), (395, 5522), (502, 4345), (790, 2761), (869, 2510), (1255, 1738)]