344500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1$

素因数の和:85

約数の個数: 48

約数和(自身を含む): 825552

約数和(自身を除く): 481052

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 53, 65, 100, 106, 125, 130, 212, 250, 260, 265, 325, 500, 530, 650, 689, 1060, 1300, 1325, 1378, 1625, 2650, 2756, 3250, 3445, 5300, 6500, 6625, 6890, 13250, 13780, 17225, 26500, 34450, 68900, 86125, 172250, 344500]

約数ペア:

[(1, 344500), (2, 172250), (4, 86125), (5, 68900), (10, 34450), (13, 26500), (20, 17225), (25, 13780), (26, 13250), (50, 6890), (52, 6625), (53, 6500), (65, 5300), (100, 3445), (106, 3250), (125, 2756), (130, 2650), (212, 1625), (250, 1378), (260, 1325), (265, 1300), (325, 1060), (500, 689), (530, 650)]