1720197025

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{557}}^1$

素因数の和:762

約数の個数: 48

約数和(自身を含む): 2301602688

約数和(自身を除く): 581405663

約数列:

[1, 5, 23, 25, 41, 115, 131, 205, 557, 575, 655, 943, 1025, 2785, 3013, 3275, 4715, 5371, 12811, 13925, 15065, 22837, 23575, 26855, 64055, 72967, 75325, 114185, 123533, 134275, 320275, 364835, 525251, 570925, 617665, 1678241, 1824175, 2626255, 2991647, 3088325, 8391205, 13131275, 14958235, 41956025, 68807881, 74791175, 344039405, 1720197025]

約数ペア:

[(1, 1720197025), (5, 344039405), (23, 74791175), (25, 68807881), (41, 41956025), (115, 14958235), (131, 13131275), (205, 8391205), (557, 3088325), (575, 2991647), (655, 2626255), (943, 1824175), (1025, 1678241), (2785, 617665), (3013, 570925), (3275, 525251), (4715, 364835), (5371, 320275), (12811, 134275), (13925, 123533), (15065, 114185), (22837, 75325), (23575, 72967), (26855, 64055)]