1390885105990

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{277}}^1\times {\mathrm{491}}^1\times {\mathrm{14009}}^1$

素因数の和:14857

約数の個数: 64

約数和(自身を含む): 2552420704320

約数和(自身を除く): 1161535598330

約数列:

[1, 2, 5, 10, 73, 146, 277, 365, 491, 554, 730, 982, 1385, 2455, 2770, 4910, 14009, 20221, 28018, 35843, 40442, 70045, 71686, 101105, 136007, 140090, 179215, 202210, 272014, 358430, 680035, 1022657, 1360070, 2045314, 3880493, 5113285, 6878419, 7760986, 9928511, 10226570, 13756838, 19402465, 19857022, 34392095, 38804930, 49642555, 68784190, 99285110, 283275989, 502124587, 566551978, 1004249174, 1416379945, 1905322063, 2510622935, 2832759890, 3810644126, 5021245870, 9526610315, 19053220630, 139088510599, 278177021198, 695442552995, 1390885105990]

約数ペア:

[(1, 1390885105990), (2, 695442552995), (5, 278177021198), (10, 139088510599), (73, 19053220630), (146, 9526610315), (277, 5021245870), (365, 3810644126), (491, 2832759890), (554, 2510622935), (730, 1905322063), (982, 1416379945), (1385, 1004249174), (2455, 566551978), (2770, 502124587), (4910, 283275989), (14009, 99285110), (20221, 68784190), (28018, 49642555), (35843, 38804930), (40442, 34392095), (70045, 19857022), (71686, 19402465), (101105, 13756838), (136007, 10226570), (140090, 9928511), (179215, 7760986), (202210, 6878419), (272014, 5113285), (358430, 3880493), (680035, 2045314), (1022657, 1360070)]