7983800

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1$

素因数の和:237

約数の個数: 96

約数和(自身を含む): 21427200

約数和(自身を除く): 13443400

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 25, 38, 40, 44, 50, 55, 76, 88, 95, 100, 110, 152, 190, 191, 200, 209, 220, 275, 380, 382, 418, 440, 475, 550, 760, 764, 836, 950, 955, 1045, 1100, 1528, 1672, 1900, 1910, 2090, 2101, 2200, 3629, 3800, 3820, 4180, 4202, 4775, 5225, 7258, 7640, 8360, 8404, 9550, 10450, 10505, 14516, 16808, 18145, 19100, 20900, 21010, 29032, 36290, 38200, 39919, 41800, 42020, 52525, 72580, 79838, 84040, 90725, 105050, 145160, 159676, 181450, 199595, 210100, 319352, 362900, 399190, 420200, 725800, 798380, 997975, 1596760, 1995950, 3991900, 7983800]

約数ペア:

[(1, 7983800), (2, 3991900), (4, 1995950), (5, 1596760), (8, 997975), (10, 798380), (11, 725800), (19, 420200), (20, 399190), (22, 362900), (25, 319352), (38, 210100), (40, 199595), (44, 181450), (50, 159676), (55, 145160), (76, 105050), (88, 90725), (95, 84040), (100, 79838), (110, 72580), (152, 52525), (190, 42020), (191, 41800), (200, 39919), (209, 38200), (220, 36290), (275, 29032), (380, 21010), (382, 20900), (418, 19100), (440, 18145), (475, 16808), (550, 14516), (760, 10505), (764, 10450), (836, 9550), (950, 8404), (955, 8360), (1045, 7640), (1100, 7258), (1528, 5225), (1672, 4775), (1900, 4202), (1910, 4180), (2090, 3820), (2101, 3800), (2200, 3629)]