31028740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{347}}^1$

素因数の和:636

約数の個数: 48

約数和(自身を含む): 69455232

約数和(自身を除く): 38426492

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 263, 340, 347, 526, 694, 1052, 1315, 1388, 1735, 2630, 3470, 4471, 5260, 5899, 6940, 8942, 11798, 17884, 22355, 23596, 29495, 44710, 58990, 89420, 91261, 117980, 182522, 365044, 456305, 912610, 1551437, 1825220, 3102874, 6205748, 7757185, 15514370, 31028740]

約数ペア:

[(1, 31028740), (2, 15514370), (4, 7757185), (5, 6205748), (10, 3102874), (17, 1825220), (20, 1551437), (34, 912610), (68, 456305), (85, 365044), (170, 182522), (263, 117980), (340, 91261), (347, 89420), (526, 58990), (694, 44710), (1052, 29495), (1315, 23596), (1388, 22355), (1735, 17884), (2630, 11798), (3470, 8942), (4471, 6940), (5260, 5899)]