890104490

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2069}}^1\times {\mathrm{3911}}^1$

素因数の和:5998

約数の個数: 32

約数和(自身を含む): 1749133440

約数和(自身を除く): 859028950

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 2069, 3911, 4138, 7822, 10345, 19555, 20690, 22759, 39110, 43021, 45518, 86042, 113795, 215105, 227590, 430210, 8091859, 16183718, 40459295, 80918590, 89010449, 178020898, 445052245, 890104490]

約数ペア:

[(1, 890104490), (2, 445052245), (5, 178020898), (10, 89010449), (11, 80918590), (22, 40459295), (55, 16183718), (110, 8091859), (2069, 430210), (3911, 227590), (4138, 215105), (7822, 113795), (10345, 86042), (19555, 45518), (20690, 43021), (22759, 39110)]