189462500

素因数分解:

$2^2\times 5^5\times {\mathrm{23}}^1\times {\mathrm{659}}^1$

素因数の和:711

約数の個数: 72

約数和(自身を含む): 433097280

約数和(自身を除く): 243634780

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 92, 100, 115, 125, 230, 250, 460, 500, 575, 625, 659, 1150, 1250, 1318, 2300, 2500, 2636, 2875, 3125, 3295, 5750, 6250, 6590, 11500, 12500, 13180, 14375, 15157, 16475, 28750, 30314, 32950, 57500, 60628, 65900, 71875, 75785, 82375, 143750, 151570, 164750, 287500, 303140, 329500, 378925, 411875, 757850, 823750, 1515700, 1647500, 1894625, 2059375, 3789250, 4118750, 7578500, 8237500, 9473125, 18946250, 37892500, 47365625, 94731250, 189462500]

約数ペア:

[(1, 189462500), (2, 94731250), (4, 47365625), (5, 37892500), (10, 18946250), (20, 9473125), (23, 8237500), (25, 7578500), (46, 4118750), (50, 3789250), (92, 2059375), (100, 1894625), (115, 1647500), (125, 1515700), (230, 823750), (250, 757850), (460, 411875), (500, 378925), (575, 329500), (625, 303140), (659, 287500), (1150, 164750), (1250, 151570), (1318, 143750), (2300, 82375), (2500, 75785), (2636, 71875), (2875, 65900), (3125, 60628), (3295, 57500), (5750, 32950), (6250, 30314), (6590, 28750), (11500, 16475), (12500, 15157), (13180, 14375)]