3971000

素因数分解:

$2^3\times 5^3\times {\mathrm{11}}^1\times {\mathrm{19}}^2$

素因数の和:70

約数の個数: 96

約数和(自身を含む): 10698480

約数和(自身を除く): 6727480

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 25, 38, 40, 44, 50, 55, 76, 88, 95, 100, 110, 125, 152, 190, 200, 209, 220, 250, 275, 361, 380, 418, 440, 475, 500, 550, 722, 760, 836, 950, 1000, 1045, 1100, 1375, 1444, 1672, 1805, 1900, 2090, 2200, 2375, 2750, 2888, 3610, 3800, 3971, 4180, 4750, 5225, 5500, 7220, 7942, 8360, 9025, 9500, 10450, 11000, 14440, 15884, 18050, 19000, 19855, 20900, 26125, 31768, 36100, 39710, 41800, 45125, 52250, 72200, 79420, 90250, 99275, 104500, 158840, 180500, 198550, 209000, 361000, 397100, 496375, 794200, 992750, 1985500, 3971000]

約数ペア:

[(1, 3971000), (2, 1985500), (4, 992750), (5, 794200), (8, 496375), (10, 397100), (11, 361000), (19, 209000), (20, 198550), (22, 180500), (25, 158840), (38, 104500), (40, 99275), (44, 90250), (50, 79420), (55, 72200), (76, 52250), (88, 45125), (95, 41800), (100, 39710), (110, 36100), (125, 31768), (152, 26125), (190, 20900), (200, 19855), (209, 19000), (220, 18050), (250, 15884), (275, 14440), (361, 11000), (380, 10450), (418, 9500), (440, 9025), (475, 8360), (500, 7942), (550, 7220), (722, 5500), (760, 5225), (836, 4750), (950, 4180), (1000, 3971), (1045, 3800), (1100, 3610), (1375, 2888), (1444, 2750), (1672, 2375), (1805, 2200), (1900, 2090)]