684860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{283}}^1$

素因数の和:314

約数の個数: 36

約数和(自身を含む): 1586424

約数和(自身を除く): 901564

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 283, 484, 566, 605, 1132, 1210, 1415, 2420, 2830, 3113, 5660, 6226, 12452, 15565, 31130, 34243, 62260, 68486, 136972, 171215, 342430, 684860]

約数ペア:

[(1, 684860), (2, 342430), (4, 171215), (5, 136972), (10, 68486), (11, 62260), (20, 34243), (22, 31130), (44, 15565), (55, 12452), (110, 6226), (121, 5660), (220, 3113), (242, 2830), (283, 2420), (484, 1415), (566, 1210), (605, 1132)]