8301490

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{439}}^1$

素因数の和:538

約数の個数: 32

約数和(自身を含む): 15713280

約数和(自身を除く): 7411790

約数列:

[1, 2, 5, 10, 31, 61, 62, 122, 155, 305, 310, 439, 610, 878, 1891, 2195, 3782, 4390, 9455, 13609, 18910, 26779, 27218, 53558, 68045, 133895, 136090, 267790, 830149, 1660298, 4150745, 8301490]

約数ペア:

[(1, 8301490), (2, 4150745), (5, 1660298), (10, 830149), (31, 267790), (61, 136090), (62, 133895), (122, 68045), (155, 53558), (305, 27218), (310, 26779), (439, 18910), (610, 13609), (878, 9455), (1891, 4390), (2195, 3782)]