12300000020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{7987013}}^1$

素因数の和:7987040

約数の個数: 48

約数和(自身を含む): 32203640448

約数和(自身を除く): 19903640428

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 7987013, 15974026, 31948052, 39935065, 55909091, 79870130, 87857143, 111818182, 159740260, 175714286, 223636364, 279545455, 351428572, 439285715, 559090910, 615000001, 878571430, 1118181820, 1230000002, 1757142860, 2460000004, 3075000005, 6150000010, 12300000020]

約数ペア:

[(1, 12300000020), (2, 6150000010), (4, 3075000005), (5, 2460000004), (7, 1757142860), (10, 1230000002), (11, 1118181820), (14, 878571430), (20, 615000001), (22, 559090910), (28, 439285715), (35, 351428572), (44, 279545455), (55, 223636364), (70, 175714286), (77, 159740260), (110, 111818182), (140, 87857143), (154, 79870130), (220, 55909091), (308, 39935065), (385, 31948052), (770, 15974026), (1540, 7987013)]