891782010

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{19937}}^1$

素因数の和:20028

約数の個数: 96

約数和(自身を含む): 2687323392

約数和(自身を除く): 1795541382

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 71, 90, 105, 126, 142, 210, 213, 315, 355, 426, 497, 630, 639, 710, 994, 1065, 1278, 1491, 2130, 2485, 2982, 3195, 4473, 4970, 6390, 7455, 8946, 14910, 19937, 22365, 39874, 44730, 59811, 99685, 119622, 139559, 179433, 199370, 279118, 299055, 358866, 418677, 598110, 697795, 837354, 897165, 1256031, 1395590, 1415527, 1794330, 2093385, 2512062, 2831054, 4186770, 4246581, 6280155, 7077635, 8493162, 9908689, 12560310, 12739743, 14155270, 19817378, 21232905, 25479486, 29726067, 42465810, 49543445, 59452134, 63698715, 89178201, 99086890, 127397430, 148630335, 178356402, 297260670, 445891005, 891782010]

約数ペア:

[(1, 891782010), (2, 445891005), (3, 297260670), (5, 178356402), (6, 148630335), (7, 127397430), (9, 99086890), (10, 89178201), (14, 63698715), (15, 59452134), (18, 49543445), (21, 42465810), (30, 29726067), (35, 25479486), (42, 21232905), (45, 19817378), (63, 14155270), (70, 12739743), (71, 12560310), (90, 9908689), (105, 8493162), (126, 7077635), (142, 6280155), (210, 4246581), (213, 4186770), (315, 2831054), (355, 2512062), (426, 2093385), (497, 1794330), (630, 1415527), (639, 1395590), (710, 1256031), (994, 897165), (1065, 837354), (1278, 697795), (1491, 598110), (2130, 418677), (2485, 358866), (2982, 299055), (3195, 279118), (4473, 199370), (4970, 179433), (6390, 139559), (7455, 119622), (8946, 99685), (14910, 59811), (19937, 44730), (22365, 39874)]