680450

素因数分解:

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

素因数の和:482

約数の個数: 24

約数和(自身を含む): 1309440

約数和(自身を除く): 628990

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 155, 310, 439, 775, 878, 1550, 2195, 4390, 10975, 13609, 21950, 27218, 68045, 136090, 340225, 680450]

約数ペア:

[(1, 680450), (2, 340225), (5, 136090), (10, 68045), (25, 27218), (31, 21950), (50, 13609), (62, 10975), (155, 4390), (310, 2195), (439, 1550), (775, 878)]