50380000

素因数分解:

$2^5\times 5^4\times {\mathrm{11}}^1\times {\mathrm{229}}^1$

素因数の和:270

約数の個数: 120

約数和(自身を含む): 135800280

約数和(自身を除く): 85420280

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 80, 88, 100, 110, 125, 160, 176, 200, 220, 229, 250, 275, 352, 400, 440, 458, 500, 550, 625, 800, 880, 916, 1000, 1100, 1145, 1250, 1375, 1760, 1832, 2000, 2200, 2290, 2500, 2519, 2750, 3664, 4000, 4400, 4580, 5000, 5038, 5500, 5725, 6875, 7328, 8800, 9160, 10000, 10076, 11000, 11450, 12595, 13750, 18320, 20000, 20152, 22000, 22900, 25190, 27500, 28625, 36640, 40304, 44000, 45800, 50380, 55000, 57250, 62975, 80608, 91600, 100760, 110000, 114500, 125950, 143125, 183200, 201520, 220000, 229000, 251900, 286250, 314875, 403040, 458000, 503800, 572500, 629750, 916000, 1007600, 1145000, 1259500, 1574375, 2015200, 2290000, 2519000, 3148750, 4580000, 5038000, 6297500, 10076000, 12595000, 25190000, 50380000]

約数ペア:

[(1, 50380000), (2, 25190000), (4, 12595000), (5, 10076000), (8, 6297500), (10, 5038000), (11, 4580000), (16, 3148750), (20, 2519000), (22, 2290000), (25, 2015200), (32, 1574375), (40, 1259500), (44, 1145000), (50, 1007600), (55, 916000), (80, 629750), (88, 572500), (100, 503800), (110, 458000), (125, 403040), (160, 314875), (176, 286250), (200, 251900), (220, 229000), (229, 220000), (250, 201520), (275, 183200), (352, 143125), (400, 125950), (440, 114500), (458, 110000), (500, 100760), (550, 91600), (625, 80608), (800, 62975), (880, 57250), (916, 55000), (1000, 50380), (1100, 45800), (1145, 44000), (1250, 40304), (1375, 36640), (1760, 28625), (1832, 27500), (2000, 25190), (2200, 22900), (2290, 22000), (2500, 20152), (2519, 20000), (2750, 18320), (3664, 13750), (4000, 12595), (4400, 11450), (4580, 11000), (5000, 10076), (5038, 10000), (5500, 9160), (5725, 8800), (6875, 7328)]