165714340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{68477}}^1$

素因数の和:68508

約数の個数: 36

約数和(自身を含む): 382518108

約数和(自身を除く): 216803768

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 68477, 136954, 273908, 342385, 684770, 753247, 1369540, 1506494, 3012988, 3766235, 7532470, 8285717, 15064940, 16571434, 33142868, 41428585, 82857170, 165714340]

約数ペア:

[(1, 165714340), (2, 82857170), (4, 41428585), (5, 33142868), (10, 16571434), (11, 15064940), (20, 8285717), (22, 7532470), (44, 3766235), (55, 3012988), (110, 1506494), (121, 1369540), (220, 753247), (242, 684770), (484, 342385), (605, 273908), (1210, 136954), (2420, 68477)]