27087500

素因数分解:

$2^2\times 5^5\times {\mathrm{11}}^1\times {\mathrm{197}}^1$

素因数の和:237

約数の個数: 72

約数和(自身を含む): 64964592

約数和(自身を除く): 37877092

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 125, 197, 220, 250, 275, 394, 500, 550, 625, 788, 985, 1100, 1250, 1375, 1970, 2167, 2500, 2750, 3125, 3940, 4334, 4925, 5500, 6250, 6875, 8668, 9850, 10835, 12500, 13750, 19700, 21670, 24625, 27500, 34375, 43340, 49250, 54175, 68750, 98500, 108350, 123125, 137500, 216700, 246250, 270875, 492500, 541750, 615625, 1083500, 1231250, 1354375, 2462500, 2708750, 5417500, 6771875, 13543750, 27087500]

約数ペア:

[(1, 27087500), (2, 13543750), (4, 6771875), (5, 5417500), (10, 2708750), (11, 2462500), (20, 1354375), (22, 1231250), (25, 1083500), (44, 615625), (50, 541750), (55, 492500), (100, 270875), (110, 246250), (125, 216700), (197, 137500), (220, 123125), (250, 108350), (275, 98500), (394, 68750), (500, 54175), (550, 49250), (625, 43340), (788, 34375), (985, 27500), (1100, 24625), (1250, 21670), (1375, 19700), (1970, 13750), (2167, 12500), (2500, 10835), (2750, 9850), (3125, 8668), (3940, 6875), (4334, 6250), (4925, 5500)]