331540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{137}}^1$

素因数の和:168

約数の個数: 36

約数和(自身を含む): 770868

約数和(自身を除く): 439328

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 137, 220, 242, 274, 484, 548, 605, 685, 1210, 1370, 1507, 2420, 2740, 3014, 6028, 7535, 15070, 16577, 30140, 33154, 66308, 82885, 165770, 331540]

約数ペア:

[(1, 331540), (2, 165770), (4, 82885), (5, 66308), (10, 33154), (11, 30140), (20, 16577), (22, 15070), (44, 7535), (55, 6028), (110, 3014), (121, 2740), (137, 2420), (220, 1507), (242, 1370), (274, 1210), (484, 685), (548, 605)]