308952020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1188277}}^1$

素因数の和:1188299

約数の個数: 24

約数和(自身を含む): 698707464

約数和(自身を除く): 389755444

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1188277, 2376554, 4753108, 5941385, 11882770, 15447601, 23765540, 30895202, 61790404, 77238005, 154476010, 308952020]

約数ペア:

[(1, 308952020), (2, 154476010), (4, 77238005), (5, 61790404), (10, 30895202), (13, 23765540), (20, 15447601), (26, 11882770), (52, 5941385), (65, 4753108), (130, 2376554), (260, 1188277)]