18227500

素因数分解:

$2^2\times 5^4\times {\mathrm{23}}^1\times {\mathrm{317}}^1$

素因数の和:364

約数の個数: 60

約数和(自身を含む): 41724144

約数和(自身を除く): 23496644

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 92, 100, 115, 125, 230, 250, 317, 460, 500, 575, 625, 634, 1150, 1250, 1268, 1585, 2300, 2500, 2875, 3170, 5750, 6340, 7291, 7925, 11500, 14375, 14582, 15850, 28750, 29164, 31700, 36455, 39625, 57500, 72910, 79250, 145820, 158500, 182275, 198125, 364550, 396250, 729100, 792500, 911375, 1822750, 3645500, 4556875, 9113750, 18227500]

約数ペア:

[(1, 18227500), (2, 9113750), (4, 4556875), (5, 3645500), (10, 1822750), (20, 911375), (23, 792500), (25, 729100), (46, 396250), (50, 364550), (92, 198125), (100, 182275), (115, 158500), (125, 145820), (230, 79250), (250, 72910), (317, 57500), (460, 39625), (500, 36455), (575, 31700), (625, 29164), (634, 28750), (1150, 15850), (1250, 14582), (1268, 14375), (1585, 11500), (2300, 7925), (2500, 7291), (2875, 6340), (3170, 5750)]