179627980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{823}}^1\times {\mathrm{1559}}^1$

素因数の和:2398

約数の個数: 48

約数和(自身を含む): 431907840

約数和(自身を除く): 252279860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 823, 1559, 1646, 3118, 3292, 4115, 5761, 6236, 7795, 8230, 10913, 11522, 15590, 16460, 21826, 23044, 28805, 31180, 43652, 54565, 57610, 109130, 115220, 218260, 1283057, 2566114, 5132228, 6415285, 8981399, 12830570, 17962798, 25661140, 35925596, 44906995, 89813990, 179627980]

約数ペア:

[(1, 179627980), (2, 89813990), (4, 44906995), (5, 35925596), (7, 25661140), (10, 17962798), (14, 12830570), (20, 8981399), (28, 6415285), (35, 5132228), (70, 2566114), (140, 1283057), (823, 218260), (1559, 115220), (1646, 109130), (3118, 57610), (3292, 54565), (4115, 43652), (5761, 31180), (6236, 28805), (7795, 23044), (8230, 21826), (10913, 16460), (11522, 15590)]