201520000

素因数分解:

$2^7\times 5^4\times {\mathrm{11}}^1\times {\mathrm{229}}^1$

素因数の和:274

約数の個数: 160

約数和(自身を含む): 549667800

約数和(自身を除く): 348147800

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 64, 80, 88, 100, 110, 125, 128, 160, 176, 200, 220, 229, 250, 275, 320, 352, 400, 440, 458, 500, 550, 625, 640, 704, 800, 880, 916, 1000, 1100, 1145, 1250, 1375, 1408, 1600, 1760, 1832, 2000, 2200, 2290, 2500, 2519, 2750, 3200, 3520, 3664, 4000, 4400, 4580, 5000, 5038, 5500, 5725, 6875, 7040, 7328, 8000, 8800, 9160, 10000, 10076, 11000, 11450, 12595, 13750, 14656, 16000, 17600, 18320, 20000, 20152, 22000, 22900, 25190, 27500, 28625, 29312, 35200, 36640, 40000, 40304, 44000, 45800, 50380, 55000, 57250, 62975, 73280, 80000, 80608, 88000, 91600, 100760, 110000, 114500, 125950, 143125, 146560, 161216, 176000, 183200, 201520, 220000, 229000, 251900, 286250, 314875, 322432, 366400, 403040, 440000, 458000, 503800, 572500, 629750, 732800, 806080, 880000, 916000, 1007600, 1145000, 1259500, 1574375, 1612160, 1832000, 2015200, 2290000, 2519000, 3148750, 3664000, 4030400, 4580000, 5038000, 6297500, 8060800, 9160000, 10076000, 12595000, 18320000, 20152000, 25190000, 40304000, 50380000, 100760000, 201520000]

約数ペア:

[(1, 201520000), (2, 100760000), (4, 50380000), (5, 40304000), (8, 25190000), (10, 20152000), (11, 18320000), (16, 12595000), (20, 10076000), (22, 9160000), (25, 8060800), (32, 6297500), (40, 5038000), (44, 4580000), (50, 4030400), (55, 3664000), (64, 3148750), (80, 2519000), (88, 2290000), (100, 2015200), (110, 1832000), (125, 1612160), (128, 1574375), (160, 1259500), (176, 1145000), (200, 1007600), (220, 916000), (229, 880000), (250, 806080), (275, 732800), (320, 629750), (352, 572500), (400, 503800), (440, 458000), (458, 440000), (500, 403040), (550, 366400), (625, 322432), (640, 314875), (704, 286250), (800, 251900), (880, 229000), (916, 220000), (1000, 201520), (1100, 183200), (1145, 176000), (1250, 161216), (1375, 146560), (1408, 143125), (1600, 125950), (1760, 114500), (1832, 110000), (2000, 100760), (2200, 91600), (2290, 88000), (2500, 80608), (2519, 80000), (2750, 73280), (3200, 62975), (3520, 57250), (3664, 55000), (4000, 50380), (4400, 45800), (4580, 44000), (5000, 40304), (5038, 40000), (5500, 36640), (5725, 35200), (6875, 29312), (7040, 28625), (7328, 27500), (8000, 25190), (8800, 22900), (9160, 22000), (10000, 20152), (10076, 20000), (11000, 18320), (11450, 17600), (12595, 16000), (13750, 14656)]