2718950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:161

約数の個数: 48

約数和(自身を含む): 5624640

約数和(自身を除く): 2905690

約数列:

[1, 2, 5, 10, 13, 25, 26, 47, 50, 65, 89, 94, 130, 178, 235, 325, 445, 470, 611, 650, 890, 1157, 1175, 1222, 2225, 2314, 2350, 3055, 4183, 4450, 5785, 6110, 8366, 11570, 15275, 20915, 28925, 30550, 41830, 54379, 57850, 104575, 108758, 209150, 271895, 543790, 1359475, 2718950]

約数ペア:

[(1, 2718950), (2, 1359475), (5, 543790), (10, 271895), (13, 209150), (25, 108758), (26, 104575), (47, 57850), (50, 54379), (65, 41830), (89, 30550), (94, 28925), (130, 20915), (178, 15275), (235, 11570), (325, 8366), (445, 6110), (470, 5785), (611, 4450), (650, 4183), (890, 3055), (1157, 2350), (1175, 2314), (1222, 2225)]