421960140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{334889}}^1$

素因数の和:334911

約数の個数: 72

約数和(自身を含む): 1462799520

約数和(自身を除く): 1040839380

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 334889, 669778, 1004667, 1339556, 1674445, 2009334, 2344223, 3014001, 3348890, 4018668, 4688446, 5023335, 6028002, 6697780, 7032669, 9376892, 10046670, 11721115, 12056004, 14065338, 15070005, 20093340, 21098007, 23442230, 28130676, 30140010, 35163345, 42196014, 46884460, 60280020, 70326690, 84392028, 105490035, 140653380, 210980070, 421960140]

約数ペア:

[(1, 421960140), (2, 210980070), (3, 140653380), (4, 105490035), (5, 84392028), (6, 70326690), (7, 60280020), (9, 46884460), (10, 42196014), (12, 35163345), (14, 30140010), (15, 28130676), (18, 23442230), (20, 21098007), (21, 20093340), (28, 15070005), (30, 14065338), (35, 12056004), (36, 11721115), (42, 10046670), (45, 9376892), (60, 7032669), (63, 6697780), (70, 6028002), (84, 5023335), (90, 4688446), (105, 4018668), (126, 3348890), (140, 3014001), (180, 2344223), (210, 2009334), (252, 1674445), (315, 1339556), (420, 1004667), (630, 669778), (1260, 334889)]