319880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{727}}^1$

素因数の和:749

約数の個数: 32

約数和(自身を含む): 786240

約数和(自身を除く): 466360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 727, 1454, 2908, 3635, 5816, 7270, 7997, 14540, 15994, 29080, 31988, 39985, 63976, 79970, 159940, 319880]

約数ペア:

[(1, 319880), (2, 159940), (4, 79970), (5, 63976), (8, 39985), (10, 31988), (11, 29080), (20, 15994), (22, 14540), (40, 7997), (44, 7270), (55, 5816), (88, 3635), (110, 2908), (220, 1454), (440, 727)]