139349560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{497677}}^1$

素因数の和:497695

約数の個数: 32

約数和(自身を含む): 358328160

約数和(自身を除く): 218978600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 497677, 995354, 1990708, 2488385, 3483739, 3981416, 4976770, 6967478, 9953540, 13934956, 17418695, 19907080, 27869912, 34837390, 69674780, 139349560]

約数ペア:

[(1, 139349560), (2, 69674780), (4, 34837390), (5, 27869912), (7, 19907080), (8, 17418695), (10, 13934956), (14, 9953540), (20, 6967478), (28, 4976770), (35, 3981416), (40, 3483739), (56, 2488385), (70, 1990708), (140, 995354), (280, 497677)]