7942000

素因数分解:

$2^4\times 5^3\times {\mathrm{11}}^1\times {\mathrm{19}}^2$

素因数の和:72

約数の個数: 120

約数和(自身を含む): 22110192

約数和(自身を除く): 14168192

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 25, 38, 40, 44, 50, 55, 76, 80, 88, 95, 100, 110, 125, 152, 176, 190, 200, 209, 220, 250, 275, 304, 361, 380, 400, 418, 440, 475, 500, 550, 722, 760, 836, 880, 950, 1000, 1045, 1100, 1375, 1444, 1520, 1672, 1805, 1900, 2000, 2090, 2200, 2375, 2750, 2888, 3344, 3610, 3800, 3971, 4180, 4400, 4750, 5225, 5500, 5776, 7220, 7600, 7942, 8360, 9025, 9500, 10450, 11000, 14440, 15884, 16720, 18050, 19000, 19855, 20900, 22000, 26125, 28880, 31768, 36100, 38000, 39710, 41800, 45125, 52250, 63536, 72200, 79420, 83600, 90250, 99275, 104500, 144400, 158840, 180500, 198550, 209000, 317680, 361000, 397100, 418000, 496375, 722000, 794200, 992750, 1588400, 1985500, 3971000, 7942000]

約数ペア:

[(1, 7942000), (2, 3971000), (4, 1985500), (5, 1588400), (8, 992750), (10, 794200), (11, 722000), (16, 496375), (19, 418000), (20, 397100), (22, 361000), (25, 317680), (38, 209000), (40, 198550), (44, 180500), (50, 158840), (55, 144400), (76, 104500), (80, 99275), (88, 90250), (95, 83600), (100, 79420), (110, 72200), (125, 63536), (152, 52250), (176, 45125), (190, 41800), (200, 39710), (209, 38000), (220, 36100), (250, 31768), (275, 28880), (304, 26125), (361, 22000), (380, 20900), (400, 19855), (418, 19000), (440, 18050), (475, 16720), (500, 15884), (550, 14440), (722, 11000), (760, 10450), (836, 9500), (880, 9025), (950, 8360), (1000, 7942), (1045, 7600), (1100, 7220), (1375, 5776), (1444, 5500), (1520, 5225), (1672, 4750), (1805, 4400), (1900, 4180), (2000, 3971), (2090, 3800), (2200, 3610), (2375, 3344), (2750, 2888)]