128477490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{21739}}^1$

素因数の和:21946

約数の個数: 32

約数和(自身を含む): 309925440

約数和(自身を除く): 181447950

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 197, 394, 591, 985, 1182, 1970, 2955, 5910, 21739, 43478, 65217, 108695, 130434, 217390, 326085, 652170, 4282583, 8565166, 12847749, 21412915, 25695498, 42825830, 64238745, 128477490]

約数ペア:

[(1, 128477490), (2, 64238745), (3, 42825830), (5, 25695498), (6, 21412915), (10, 12847749), (15, 8565166), (30, 4282583), (197, 652170), (394, 326085), (591, 217390), (985, 130434), (1182, 108695), (1970, 65217), (2955, 43478), (5910, 21739)]