164485000

素因数分解:

$2^3\times 5^4\times {\mathrm{67}}^1\times {\mathrm{491}}^1$

素因数の和:584

約数の個数: 80

約数和(自身を含む): 391937040

約数和(自身を除く): 227452040

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 67, 100, 125, 134, 200, 250, 268, 335, 491, 500, 536, 625, 670, 982, 1000, 1250, 1340, 1675, 1964, 2455, 2500, 2680, 3350, 3928, 4910, 5000, 6700, 8375, 9820, 12275, 13400, 16750, 19640, 24550, 32897, 33500, 41875, 49100, 61375, 65794, 67000, 83750, 98200, 122750, 131588, 164485, 167500, 245500, 263176, 306875, 328970, 335000, 491000, 613750, 657940, 822425, 1227500, 1315880, 1644850, 2455000, 3289700, 4112125, 6579400, 8224250, 16448500, 20560625, 32897000, 41121250, 82242500, 164485000]

約数ペア:

[(1, 164485000), (2, 82242500), (4, 41121250), (5, 32897000), (8, 20560625), (10, 16448500), (20, 8224250), (25, 6579400), (40, 4112125), (50, 3289700), (67, 2455000), (100, 1644850), (125, 1315880), (134, 1227500), (200, 822425), (250, 657940), (268, 613750), (335, 491000), (491, 335000), (500, 328970), (536, 306875), (625, 263176), (670, 245500), (982, 167500), (1000, 164485), (1250, 131588), (1340, 122750), (1675, 98200), (1964, 83750), (2455, 67000), (2500, 65794), (2680, 61375), (3350, 49100), (3928, 41875), (4910, 33500), (5000, 32897), (6700, 24550), (8375, 19640), (9820, 16750), (12275, 13400)]