9969500

素因数分解:

$2^2\times 5^3\times {\mathrm{127}}^1\times {\mathrm{157}}^1$

素因数の和:303

約数の個数: 48

約数和(自身を含む): 22084608

約数和(自身を除く): 12115108

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 127, 157, 250, 254, 314, 500, 508, 628, 635, 785, 1270, 1570, 2540, 3140, 3175, 3925, 6350, 7850, 12700, 15700, 15875, 19625, 19939, 31750, 39250, 39878, 63500, 78500, 79756, 99695, 199390, 398780, 498475, 996950, 1993900, 2492375, 4984750, 9969500]

約数ペア:

[(1, 9969500), (2, 4984750), (4, 2492375), (5, 1993900), (10, 996950), (20, 498475), (25, 398780), (50, 199390), (100, 99695), (125, 79756), (127, 78500), (157, 63500), (250, 39878), (254, 39250), (314, 31750), (500, 19939), (508, 19625), (628, 15875), (635, 15700), (785, 12700), (1270, 7850), (1570, 6350), (2540, 3925), (3140, 3175)]