130619020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{643}}^1\times {\mathrm{1451}}^1$

素因数の和:2110

約数の個数: 48

約数和(自身を含む): 314189568

約数和(自身を除く): 183570548

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 643, 1286, 1451, 2572, 2902, 3215, 4501, 5804, 6430, 7255, 9002, 10157, 12860, 14510, 18004, 20314, 22505, 29020, 40628, 45010, 50785, 90020, 101570, 203140, 932993, 1865986, 3731972, 4664965, 6530951, 9329930, 13061902, 18659860, 26123804, 32654755, 65309510, 130619020]

約数ペア:

[(1, 130619020), (2, 65309510), (4, 32654755), (5, 26123804), (7, 18659860), (10, 13061902), (14, 9329930), (20, 6530951), (28, 4664965), (35, 3731972), (70, 1865986), (140, 932993), (643, 203140), (1286, 101570), (1451, 90020), (2572, 50785), (2902, 45010), (3215, 40628), (4501, 29020), (5804, 22505), (6430, 20314), (7255, 18004), (9002, 14510), (10157, 12860)]