164801900

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{907}}^1$

素因数の和:1023

約数の個数: 72

約数和(自身を含む): 378309120

約数和(自身を除く): 213507220

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 79, 92, 100, 115, 158, 230, 316, 395, 460, 575, 790, 907, 1150, 1580, 1814, 1817, 1975, 2300, 3628, 3634, 3950, 4535, 7268, 7900, 9070, 9085, 18140, 18170, 20861, 22675, 36340, 41722, 45350, 45425, 71653, 83444, 90700, 90850, 104305, 143306, 181700, 208610, 286612, 358265, 417220, 521525, 716530, 1043050, 1433060, 1648019, 1791325, 2086100, 3296038, 3582650, 6592076, 7165300, 8240095, 16480190, 32960380, 41200475, 82400950, 164801900]

約数ペア:

[(1, 164801900), (2, 82400950), (4, 41200475), (5, 32960380), (10, 16480190), (20, 8240095), (23, 7165300), (25, 6592076), (46, 3582650), (50, 3296038), (79, 2086100), (92, 1791325), (100, 1648019), (115, 1433060), (158, 1043050), (230, 716530), (316, 521525), (395, 417220), (460, 358265), (575, 286612), (790, 208610), (907, 181700), (1150, 143306), (1580, 104305), (1814, 90850), (1817, 90700), (1975, 83444), (2300, 71653), (3628, 45425), (3634, 45350), (3950, 41722), (4535, 36340), (7268, 22675), (7900, 20861), (9070, 18170), (9085, 18140)]