390883750

素因数分解:

$2^1\times 5^4\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{263}}^1$

素因数の和:355

約数の個数: 80

約数和(自身を含む): 779375520

約数和(自身を除く): 388491770

約数列:

[1, 2, 5, 10, 25, 29, 41, 50, 58, 82, 125, 145, 205, 250, 263, 290, 410, 526, 625, 725, 1025, 1189, 1250, 1315, 1450, 2050, 2378, 2630, 3625, 5125, 5945, 6575, 7250, 7627, 10250, 10783, 11890, 13150, 15254, 18125, 21566, 25625, 29725, 32875, 36250, 38135, 51250, 53915, 59450, 65750, 76270, 107830, 148625, 164375, 190675, 269575, 297250, 312707, 328750, 381350, 539150, 625414, 743125, 953375, 1347875, 1486250, 1563535, 1906750, 2695750, 3127070, 4766875, 6739375, 7817675, 9533750, 13478750, 15635350, 39088375, 78176750, 195441875, 390883750]

約数ペア:

[(1, 390883750), (2, 195441875), (5, 78176750), (10, 39088375), (25, 15635350), (29, 13478750), (41, 9533750), (50, 7817675), (58, 6739375), (82, 4766875), (125, 3127070), (145, 2695750), (205, 1906750), (250, 1563535), (263, 1486250), (290, 1347875), (410, 953375), (526, 743125), (625, 625414), (725, 539150), (1025, 381350), (1189, 328750), (1250, 312707), (1315, 297250), (1450, 269575), (2050, 190675), (2378, 164375), (2630, 148625), (3625, 107830), (5125, 76270), (5945, 65750), (6575, 59450), (7250, 53915), (7627, 51250), (10250, 38135), (10783, 36250), (11890, 32875), (13150, 29725), (15254, 25625), (18125, 21566)]