71751820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{1811}}^1$

素因数の和:2110

約数の個数: 48

約数和(自身を含む): 172908288

約数和(自身を除く): 101156468

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 283, 566, 1132, 1415, 1811, 1981, 2830, 3622, 3962, 5660, 7244, 7924, 9055, 9905, 12677, 18110, 19810, 25354, 36220, 39620, 50708, 63385, 126770, 253540, 512513, 1025026, 2050052, 2562565, 3587591, 5125130, 7175182, 10250260, 14350364, 17937955, 35875910, 71751820]

約数ペア:

[(1, 71751820), (2, 35875910), (4, 17937955), (5, 14350364), (7, 10250260), (10, 7175182), (14, 5125130), (20, 3587591), (28, 2562565), (35, 2050052), (70, 1025026), (140, 512513), (283, 253540), (566, 126770), (1132, 63385), (1415, 50708), (1811, 39620), (1981, 36220), (2830, 25354), (3622, 19810), (3962, 18110), (5660, 12677), (7244, 9905), (7924, 9055)]