72790000

素因数分解:

$2^4\times 5^4\times {\mathrm{29}}^1\times {\mathrm{251}}^1$

素因数の和:308

約数の個数: 100

約数和(自身を含む): 183035160

約数和(自身を除く): 110245160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 40, 50, 58, 80, 100, 116, 125, 145, 200, 232, 250, 251, 290, 400, 464, 500, 502, 580, 625, 725, 1000, 1004, 1160, 1250, 1255, 1450, 2000, 2008, 2320, 2500, 2510, 2900, 3625, 4016, 5000, 5020, 5800, 6275, 7250, 7279, 10000, 10040, 11600, 12550, 14500, 14558, 18125, 20080, 25100, 29000, 29116, 31375, 36250, 36395, 50200, 58000, 58232, 62750, 72500, 72790, 100400, 116464, 125500, 145000, 145580, 156875, 181975, 251000, 290000, 291160, 313750, 363950, 502000, 582320, 627500, 727900, 909875, 1255000, 1455800, 1819750, 2510000, 2911600, 3639500, 4549375, 7279000, 9098750, 14558000, 18197500, 36395000, 72790000]

約数ペア:

[(1, 72790000), (2, 36395000), (4, 18197500), (5, 14558000), (8, 9098750), (10, 7279000), (16, 4549375), (20, 3639500), (25, 2911600), (29, 2510000), (40, 1819750), (50, 1455800), (58, 1255000), (80, 909875), (100, 727900), (116, 627500), (125, 582320), (145, 502000), (200, 363950), (232, 313750), (250, 291160), (251, 290000), (290, 251000), (400, 181975), (464, 156875), (500, 145580), (502, 145000), (580, 125500), (625, 116464), (725, 100400), (1000, 72790), (1004, 72500), (1160, 62750), (1250, 58232), (1255, 58000), (1450, 50200), (2000, 36395), (2008, 36250), (2320, 31375), (2500, 29116), (2510, 29000), (2900, 25100), (3625, 20080), (4016, 18125), (5000, 14558), (5020, 14500), (5800, 12550), (6275, 11600), (7250, 10040), (7279, 10000)]