123407900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:121

約数の個数: 216

約数和(自身を含む): 354643968

約数和(自身を除く): 231236068

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 31, 35, 44, 47, 50, 55, 62, 70, 77, 94, 100, 110, 121, 124, 140, 154, 155, 175, 188, 217, 220, 235, 242, 275, 308, 310, 329, 341, 350, 385, 434, 470, 484, 517, 550, 605, 620, 658, 682, 700, 770, 775, 847, 868, 940, 1034, 1085, 1100, 1175, 1210, 1316, 1364, 1457, 1540, 1550, 1645, 1694, 1705, 1925, 2068, 2170, 2350, 2387, 2420, 2585, 2914, 3025, 3100, 3290, 3388, 3410, 3619, 3751, 3850, 4235, 4340, 4700, 4774, 5170, 5425, 5687, 5828, 6050, 6580, 6820, 7238, 7285, 7502, 7700, 8225, 8470, 8525, 9548, 10199, 10340, 10850, 11374, 11935, 12100, 12925, 14476, 14570, 15004, 16027, 16450, 16940, 17050, 18095, 18755, 20398, 21175, 21700, 22748, 23870, 25850, 26257, 28435, 29140, 32054, 32900, 34100, 36190, 36425, 37510, 39809, 40796, 42350, 47740, 50995, 51700, 52514, 56870, 59675, 64108, 72380, 72850, 75020, 79618, 80135, 84700, 90475, 93775, 101990, 105028, 112189, 113740, 119350, 131285, 142175, 145700, 159236, 160270, 176297, 180950, 187550, 199045, 203980, 224378, 238700, 254975, 262570, 284350, 320540, 352594, 361900, 375100, 398090, 400675, 448756, 509950, 525140, 560945, 568700, 656425, 705188, 796180, 801350, 881485, 995225, 1019900, 1121890, 1234079, 1312850, 1602700, 1762970, 1990450, 2243780, 2468158, 2625700, 2804725, 3525940, 3980900, 4407425, 4936316, 5609450, 6170395, 8814850, 11218900, 12340790, 17629700, 24681580, 30851975, 61703950, 123407900]

約数ペア:

[(1, 123407900), (2, 61703950), (4, 30851975), (5, 24681580), (7, 17629700), (10, 12340790), (11, 11218900), (14, 8814850), (20, 6170395), (22, 5609450), (25, 4936316), (28, 4407425), (31, 3980900), (35, 3525940), (44, 2804725), (47, 2625700), (50, 2468158), (55, 2243780), (62, 1990450), (70, 1762970), (77, 1602700), (94, 1312850), (100, 1234079), (110, 1121890), (121, 1019900), (124, 995225), (140, 881485), (154, 801350), (155, 796180), (175, 705188), (188, 656425), (217, 568700), (220, 560945), (235, 525140), (242, 509950), (275, 448756), (308, 400675), (310, 398090), (329, 375100), (341, 361900), (350, 352594), (385, 320540), (434, 284350), (470, 262570), (484, 254975), (517, 238700), (550, 224378), (605, 203980), (620, 199045), (658, 187550), (682, 180950), (700, 176297), (770, 160270), (775, 159236), (847, 145700), (868, 142175), (940, 131285), (1034, 119350), (1085, 113740), (1100, 112189), (1175, 105028), (1210, 101990), (1316, 93775), (1364, 90475), (1457, 84700), (1540, 80135), (1550, 79618), (1645, 75020), (1694, 72850), (1705, 72380), (1925, 64108), (2068, 59675), (2170, 56870), (2350, 52514), (2387, 51700), (2420, 50995), (2585, 47740), (2914, 42350), (3025, 40796), (3100, 39809), (3290, 37510), (3388, 36425), (3410, 36190), (3619, 34100), (3751, 32900), (3850, 32054), (4235, 29140), (4340, 28435), (4700, 26257), (4774, 25850), (5170, 23870), (5425, 22748), (5687, 21700), (5828, 21175), (6050, 20398), (6580, 18755), (6820, 18095), (7238, 17050), (7285, 16940), (7502, 16450), (7700, 16027), (8225, 15004), (8470, 14570), (8525, 14476), (9548, 12925), (10199, 12100), (10340, 11935), (10850, 11374)]