177677540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{1987}}^1$

素因数の和:2276

約数の個数: 48

約数和(自身を含む): 396772992

約数和(自身を除く): 219095452

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 263, 340, 526, 1052, 1315, 1987, 2630, 3974, 4471, 5260, 7948, 8942, 9935, 17884, 19870, 22355, 33779, 39740, 44710, 67558, 89420, 135116, 168895, 337790, 522581, 675580, 1045162, 2090324, 2612905, 5225810, 8883877, 10451620, 17767754, 35535508, 44419385, 88838770, 177677540]

約数ペア:

[(1, 177677540), (2, 88838770), (4, 44419385), (5, 35535508), (10, 17767754), (17, 10451620), (20, 8883877), (34, 5225810), (68, 2612905), (85, 2090324), (170, 1045162), (263, 675580), (340, 522581), (526, 337790), (1052, 168895), (1315, 135116), (1987, 89420), (2630, 67558), (3974, 44710), (4471, 39740), (5260, 33779), (7948, 22355), (8942, 19870), (9935, 17884)]