30996820

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{367}}^1$

素因数の和:520

約数の個数: 48

約数和(自身を含む): 67511808

約数和(自身を除く): 36514988

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 103, 164, 205, 206, 367, 410, 412, 515, 734, 820, 1030, 1468, 1835, 2060, 3670, 4223, 7340, 8446, 15047, 16892, 21115, 30094, 37801, 42230, 60188, 75235, 75602, 84460, 150470, 151204, 189005, 300940, 378010, 756020, 1549841, 3099682, 6199364, 7749205, 15498410, 30996820]

約数ペア:

[(1, 30996820), (2, 15498410), (4, 7749205), (5, 6199364), (10, 3099682), (20, 1549841), (41, 756020), (82, 378010), (103, 300940), (164, 189005), (205, 151204), (206, 150470), (367, 84460), (410, 75602), (412, 75235), (515, 60188), (734, 42230), (820, 37801), (1030, 30094), (1468, 21115), (1835, 16892), (2060, 15047), (3670, 8446), (4223, 7340)]