533319020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{28099}}^1$

素因数の和:28194

約数の個数: 48

約数和(自身を含む): 1222687200

約数和(自身を除く): 689368180

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 73, 130, 146, 260, 292, 365, 730, 949, 1460, 1898, 3796, 4745, 9490, 18980, 28099, 56198, 112396, 140495, 280990, 365287, 561980, 730574, 1461148, 1826435, 2051227, 3652870, 4102454, 7305740, 8204908, 10256135, 20512270, 26665951, 41024540, 53331902, 106663804, 133329755, 266659510, 533319020]

約数ペア:

[(1, 533319020), (2, 266659510), (4, 133329755), (5, 106663804), (10, 53331902), (13, 41024540), (20, 26665951), (26, 20512270), (52, 10256135), (65, 8204908), (73, 7305740), (130, 4102454), (146, 3652870), (260, 2051227), (292, 1826435), (365, 1461148), (730, 730574), (949, 561980), (1460, 365287), (1898, 280990), (3796, 140495), (4745, 112396), (9490, 56198), (18980, 28099)]