201430660

素因数分解:

$2^2\times 5^1\times {\mathrm{991}}^1\times {\mathrm{10163}}^1$

素因数の和:11163

約数の個数: 24

約数和(自身を含む): 423472896

約数和(自身を除く): 222042236

約数列:

[1, 2, 4, 5, 10, 20, 991, 1982, 3964, 4955, 9910, 10163, 19820, 20326, 40652, 50815, 101630, 203260, 10071533, 20143066, 40286132, 50357665, 100715330, 201430660]

約数ペア:

[(1, 201430660), (2, 100715330), (4, 50357665), (5, 40286132), (10, 20143066), (20, 10071533), (991, 203260), (1982, 101630), (3964, 50815), (4955, 40652), (9910, 20326), (10163, 19820)]