205222500

素因数分解:

$2^2\times 3^2\times 5^4\times 7^1\times {\mathrm{1303}}^1$

素因数の和:1340

約数の個数: 180

約数和(自身を含む): 741412672

約数和(自身を除く): 536190172

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 28, 30, 35, 36, 42, 45, 50, 60, 63, 70, 75, 84, 90, 100, 105, 125, 126, 140, 150, 175, 180, 210, 225, 250, 252, 300, 315, 350, 375, 420, 450, 500, 525, 625, 630, 700, 750, 875, 900, 1050, 1125, 1250, 1260, 1303, 1500, 1575, 1750, 1875, 2100, 2250, 2500, 2606, 2625, 3150, 3500, 3750, 3909, 4375, 4500, 5212, 5250, 5625, 6300, 6515, 7500, 7818, 7875, 8750, 9121, 10500, 11250, 11727, 13030, 13125, 15636, 15750, 17500, 18242, 19545, 22500, 23454, 26060, 26250, 27363, 31500, 32575, 36484, 39090, 39375, 45605, 46908, 52500, 54726, 58635, 65150, 78180, 78750, 82089, 91210, 97725, 109452, 117270, 130300, 136815, 157500, 162875, 164178, 182420, 195450, 228025, 234540, 273630, 293175, 325750, 328356, 390900, 410445, 456050, 488625, 547260, 586350, 651500, 684075, 814375, 820890, 912100, 977250, 1140125, 1172700, 1368150, 1465875, 1628750, 1641780, 1954500, 2052225, 2280250, 2443125, 2736300, 2931750, 3257500, 3420375, 4104450, 4560500, 4886250, 5700625, 5863500, 6840750, 7329375, 8208900, 9772500, 10261125, 11401250, 13681500, 14658750, 17101875, 20522250, 22802500, 29317500, 34203750, 41044500, 51305625, 68407500, 102611250, 205222500]

約数ペア:

[(1, 205222500), (2, 102611250), (3, 68407500), (4, 51305625), (5, 41044500), (6, 34203750), (7, 29317500), (9, 22802500), (10, 20522250), (12, 17101875), (14, 14658750), (15, 13681500), (18, 11401250), (20, 10261125), (21, 9772500), (25, 8208900), (28, 7329375), (30, 6840750), (35, 5863500), (36, 5700625), (42, 4886250), (45, 4560500), (50, 4104450), (60, 3420375), (63, 3257500), (70, 2931750), (75, 2736300), (84, 2443125), (90, 2280250), (100, 2052225), (105, 1954500), (125, 1641780), (126, 1628750), (140, 1465875), (150, 1368150), (175, 1172700), (180, 1140125), (210, 977250), (225, 912100), (250, 820890), (252, 814375), (300, 684075), (315, 651500), (350, 586350), (375, 547260), (420, 488625), (450, 456050), (500, 410445), (525, 390900), (625, 328356), (630, 325750), (700, 293175), (750, 273630), (875, 234540), (900, 228025), (1050, 195450), (1125, 182420), (1250, 164178), (1260, 162875), (1303, 157500), (1500, 136815), (1575, 130300), (1750, 117270), (1875, 109452), (2100, 97725), (2250, 91210), (2500, 82089), (2606, 78750), (2625, 78180), (3150, 65150), (3500, 58635), (3750, 54726), (3909, 52500), (4375, 46908), (4500, 45605), (5212, 39375), (5250, 39090), (5625, 36484), (6300, 32575), (6515, 31500), (7500, 27363), (7818, 26250), (7875, 26060), (8750, 23454), (9121, 22500), (10500, 19545), (11250, 18242), (11727, 17500), (13030, 15750), (13125, 15636)]