68708750

素因数分解:

$2^1\times 5^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1$

素因数の和:315

約数の個数: 80

約数和(自身を含む): 148452480

約数和(自身を除く): 79743730

約数列:

[1, 2, 5, 10, 11, 19, 22, 25, 38, 50, 55, 95, 110, 125, 190, 209, 250, 263, 275, 418, 475, 526, 550, 625, 950, 1045, 1250, 1315, 1375, 2090, 2375, 2630, 2750, 2893, 4750, 4997, 5225, 5786, 6575, 6875, 9994, 10450, 11875, 13150, 13750, 14465, 23750, 24985, 26125, 28930, 32875, 49970, 52250, 54967, 65750, 72325, 109934, 124925, 130625, 144650, 164375, 249850, 261250, 274835, 328750, 361625, 549670, 624625, 723250, 1249250, 1374175, 1808125, 2748350, 3123125, 3616250, 6246250, 6870875, 13741750, 34354375, 68708750]

約数ペア:

[(1, 68708750), (2, 34354375), (5, 13741750), (10, 6870875), (11, 6246250), (19, 3616250), (22, 3123125), (25, 2748350), (38, 1808125), (50, 1374175), (55, 1249250), (95, 723250), (110, 624625), (125, 549670), (190, 361625), (209, 328750), (250, 274835), (263, 261250), (275, 249850), (418, 164375), (475, 144650), (526, 130625), (550, 124925), (625, 109934), (950, 72325), (1045, 65750), (1250, 54967), (1315, 52250), (1375, 49970), (2090, 32875), (2375, 28930), (2630, 26125), (2750, 24985), (2893, 23750), (4750, 14465), (4997, 13750), (5225, 13150), (5786, 11875), (6575, 10450), (6875, 9994)]