201997570

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{397}}^1$

素因数の和:535

約数の個数: 64

約数和(自身を含む): 400782816

約数和(自身を除く): 198785246

約数列:

[1, 2, 5, 10, 17, 34, 41, 73, 82, 85, 146, 170, 205, 365, 397, 410, 697, 730, 794, 1241, 1394, 1985, 2482, 2993, 3485, 3970, 5986, 6205, 6749, 6970, 12410, 13498, 14965, 16277, 28981, 29930, 32554, 33745, 50881, 57962, 67490, 81385, 101762, 144905, 162770, 254405, 276709, 289810, 492677, 508810, 553418, 985354, 1188221, 1383545, 2376442, 2463385, 2767090, 4926770, 5941105, 11882210, 20199757, 40399514, 100998785, 201997570]

約数ペア:

[(1, 201997570), (2, 100998785), (5, 40399514), (10, 20199757), (17, 11882210), (34, 5941105), (41, 4926770), (73, 2767090), (82, 2463385), (85, 2376442), (146, 1383545), (170, 1188221), (205, 985354), (365, 553418), (397, 508810), (410, 492677), (697, 289810), (730, 276709), (794, 254405), (1241, 162770), (1394, 144905), (1985, 101762), (2482, 81385), (2993, 67490), (3485, 57962), (3970, 50881), (5986, 33745), (6205, 32554), (6749, 29930), (6970, 28981), (12410, 16277), (13498, 14965)]