289194640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{22453}}^1$

素因数の和:22496

約数の個数: 80

約数和(自身を含む): 801877248

約数和(自身を除く): 512682608

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 644, 805, 920, 1288, 1610, 1840, 2576, 3220, 6440, 12880, 22453, 44906, 89812, 112265, 157171, 179624, 224530, 314342, 359248, 449060, 516419, 628684, 785855, 898120, 1032838, 1257368, 1571710, 1796240, 2065676, 2514736, 2582095, 3143420, 3614933, 4131352, 5164190, 6286840, 7229866, 8262704, 10328380, 12573680, 14459732, 18074665, 20656760, 28919464, 36149330, 41313520, 57838928, 72298660, 144597320, 289194640]

約数ペア:

[(1, 289194640), (2, 144597320), (4, 72298660), (5, 57838928), (7, 41313520), (8, 36149330), (10, 28919464), (14, 20656760), (16, 18074665), (20, 14459732), (23, 12573680), (28, 10328380), (35, 8262704), (40, 7229866), (46, 6286840), (56, 5164190), (70, 4131352), (80, 3614933), (92, 3143420), (112, 2582095), (115, 2514736), (140, 2065676), (161, 1796240), (184, 1571710), (230, 1257368), (280, 1032838), (322, 898120), (368, 785855), (460, 628684), (560, 516419), (644, 449060), (805, 359248), (920, 314342), (1288, 224530), (1610, 179624), (1840, 157171), (2576, 112265), (3220, 89812), (6440, 44906), (12880, 22453)]