81883400

素因数分解:

$2^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{281}}^1$

素因数の和:375

約数の個数: 96

約数和(自身を含む): 201415680

約数和(自身を除く): 119532280

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 47, 50, 62, 94, 100, 124, 155, 188, 200, 235, 248, 281, 310, 376, 470, 562, 620, 775, 940, 1124, 1175, 1240, 1405, 1457, 1550, 1880, 2248, 2350, 2810, 2914, 3100, 4700, 5620, 5828, 6200, 7025, 7285, 8711, 9400, 11240, 11656, 13207, 14050, 14570, 17422, 26414, 28100, 29140, 34844, 36425, 43555, 52828, 56200, 58280, 66035, 69688, 72850, 87110, 105656, 132070, 145700, 174220, 217775, 264140, 291400, 330175, 348440, 409417, 435550, 528280, 660350, 818834, 871100, 1320700, 1637668, 1742200, 2047085, 2641400, 3275336, 4094170, 8188340, 10235425, 16376680, 20470850, 40941700, 81883400]

約数ペア:

[(1, 81883400), (2, 40941700), (4, 20470850), (5, 16376680), (8, 10235425), (10, 8188340), (20, 4094170), (25, 3275336), (31, 2641400), (40, 2047085), (47, 1742200), (50, 1637668), (62, 1320700), (94, 871100), (100, 818834), (124, 660350), (155, 528280), (188, 435550), (200, 409417), (235, 348440), (248, 330175), (281, 291400), (310, 264140), (376, 217775), (470, 174220), (562, 145700), (620, 132070), (775, 105656), (940, 87110), (1124, 72850), (1175, 69688), (1240, 66035), (1405, 58280), (1457, 56200), (1550, 52828), (1880, 43555), (2248, 36425), (2350, 34844), (2810, 29140), (2914, 28100), (3100, 26414), (4700, 17422), (5620, 14570), (5828, 14050), (6200, 13207), (7025, 11656), (7285, 11240), (8711, 9400)]