907400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{349}}^1$

素因数の和:378

約数の個数: 48

約数和(自身を含む): 2278500

約数和(自身を除く): 1371100

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 349, 520, 650, 698, 1300, 1396, 1745, 2600, 2792, 3490, 4537, 6980, 8725, 9074, 13960, 17450, 18148, 22685, 34900, 36296, 45370, 69800, 90740, 113425, 181480, 226850, 453700, 907400]

約数ペア:

[(1, 907400), (2, 453700), (4, 226850), (5, 181480), (8, 113425), (10, 90740), (13, 69800), (20, 45370), (25, 36296), (26, 34900), (40, 22685), (50, 18148), (52, 17450), (65, 13960), (100, 9074), (104, 8725), (130, 6980), (200, 4537), (260, 3490), (325, 2792), (349, 2600), (520, 1745), (650, 1396), (698, 1300)]