128672500

素因数分解:

$2^2\times 5^4\times {\mathrm{11}}^1\times {\mathrm{4679}}^1$

素因数の和:4714

約数の個数: 60

約数和(自身を含む): 307026720

約数和(自身を除く): 178354220

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 125, 220, 250, 275, 500, 550, 625, 1100, 1250, 1375, 2500, 2750, 4679, 5500, 6875, 9358, 13750, 18716, 23395, 27500, 46790, 51469, 93580, 102938, 116975, 205876, 233950, 257345, 467900, 514690, 584875, 1029380, 1169750, 1286725, 2339500, 2573450, 2924375, 5146900, 5848750, 6433625, 11697500, 12867250, 25734500, 32168125, 64336250, 128672500]

約数ペア:

[(1, 128672500), (2, 64336250), (4, 32168125), (5, 25734500), (10, 12867250), (11, 11697500), (20, 6433625), (22, 5848750), (25, 5146900), (44, 2924375), (50, 2573450), (55, 2339500), (100, 1286725), (110, 1169750), (125, 1029380), (220, 584875), (250, 514690), (275, 467900), (500, 257345), (550, 233950), (625, 205876), (1100, 116975), (1250, 102938), (1375, 93580), (2500, 51469), (2750, 46790), (4679, 27500), (5500, 23395), (6875, 18716), (9358, 13750)]