3871400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1489}}^1$

素因数の和:1518

約数の個数: 48

約数和(自身を含む): 9699900

約数和(自身を除く): 5828500

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 1489, 2600, 2978, 5956, 7445, 11912, 14890, 19357, 29780, 37225, 38714, 59560, 74450, 77428, 96785, 148900, 154856, 193570, 297800, 387140, 483925, 774280, 967850, 1935700, 3871400]

約数ペア:

[(1, 3871400), (2, 1935700), (4, 967850), (5, 774280), (8, 483925), (10, 387140), (13, 297800), (20, 193570), (25, 154856), (26, 148900), (40, 96785), (50, 77428), (52, 74450), (65, 59560), (100, 38714), (104, 37225), (130, 29780), (200, 19357), (260, 14890), (325, 11912), (520, 7445), (650, 5956), (1300, 2978), (1489, 2600)]