488796620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{653}}^1\times {\mathrm{2879}}^1$

素因数の和:3554

約数の個数: 48

約数和(自身を含む): 1107509760

約数和(自身を除く): 618713140

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 653, 1306, 2612, 2879, 3265, 5758, 6530, 8489, 11516, 13060, 14395, 16978, 28790, 33956, 37427, 42445, 57580, 74854, 84890, 149708, 169780, 187135, 374270, 748540, 1879987, 3759974, 7519948, 9399935, 18799870, 24439831, 37599740, 48879662, 97759324, 122199155, 244398310, 488796620]

約数ペア:

[(1, 488796620), (2, 244398310), (4, 122199155), (5, 97759324), (10, 48879662), (13, 37599740), (20, 24439831), (26, 18799870), (52, 9399935), (65, 7519948), (130, 3759974), (260, 1879987), (653, 748540), (1306, 374270), (2612, 187135), (2879, 169780), (3265, 149708), (5758, 84890), (6530, 74854), (8489, 57580), (11516, 42445), (13060, 37427), (14395, 33956), (16978, 28790)]