429880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{977}}^1$

素因数の和:999

約数の個数: 32

約数和(自身を含む): 1056240

約数和(自身を除く): 626360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 977, 1954, 3908, 4885, 7816, 9770, 10747, 19540, 21494, 39080, 42988, 53735, 85976, 107470, 214940, 429880]

約数ペア:

[(1, 429880), (2, 214940), (4, 107470), (5, 85976), (8, 53735), (10, 42988), (11, 39080), (20, 21494), (22, 19540), (40, 10747), (44, 9770), (55, 7816), (88, 4885), (110, 3908), (220, 1954), (440, 977)]