9927500

素因数分解:

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

素因数の和:73

約数の個数: 90

約数和(自身を含む): 24995124

約数和(自身を除く): 15067624

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 25, 38, 44, 50, 55, 76, 95, 100, 110, 125, 190, 209, 220, 250, 275, 361, 380, 418, 475, 500, 550, 625, 722, 836, 950, 1045, 1100, 1250, 1375, 1444, 1805, 1900, 2090, 2375, 2500, 2750, 3610, 3971, 4180, 4750, 5225, 5500, 6875, 7220, 7942, 9025, 9500, 10450, 11875, 13750, 15884, 18050, 19855, 20900, 23750, 26125, 27500, 36100, 39710, 45125, 47500, 52250, 79420, 90250, 99275, 104500, 130625, 180500, 198550, 225625, 261250, 397100, 451250, 496375, 522500, 902500, 992750, 1985500, 2481875, 4963750, 9927500]

約数ペア:

[(1, 9927500), (2, 4963750), (4, 2481875), (5, 1985500), (10, 992750), (11, 902500), (19, 522500), (20, 496375), (22, 451250), (25, 397100), (38, 261250), (44, 225625), (50, 198550), (55, 180500), (76, 130625), (95, 104500), (100, 99275), (110, 90250), (125, 79420), (190, 52250), (209, 47500), (220, 45125), (250, 39710), (275, 36100), (361, 27500), (380, 26125), (418, 23750), (475, 20900), (500, 19855), (550, 18050), (625, 15884), (722, 13750), (836, 11875), (950, 10450), (1045, 9500), (1100, 9025), (1250, 7942), (1375, 7220), (1444, 6875), (1805, 5500), (1900, 5225), (2090, 4750), (2375, 4180), (2500, 3971), (2750, 3610)]