2178100

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{947}}^1$

素因数の和:984

約数の個数: 36

約数和(自身を含む): 4937184

約数和(自身を除く): 2759084

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 92, 100, 115, 230, 460, 575, 947, 1150, 1894, 2300, 3788, 4735, 9470, 18940, 21781, 23675, 43562, 47350, 87124, 94700, 108905, 217810, 435620, 544525, 1089050, 2178100]

約数ペア:

[(1, 2178100), (2, 1089050), (4, 544525), (5, 435620), (10, 217810), (20, 108905), (23, 94700), (25, 87124), (46, 47350), (50, 43562), (92, 23675), (100, 21781), (115, 18940), (230, 9470), (460, 4735), (575, 3788), (947, 2300), (1150, 1894)]