839244420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{666067}}^1$

素因数の和:666089

約数の個数: 72

約数和(自身を含む): 2909385024

約数和(自身を除く): 2070140604

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, 666067, 1332134, 1998201, 2664268, 3330335, 3996402, 4662469, 5994603, 6660670, 7992804, 9324938, 9991005, 11989206, 13321340, 13987407, 18649876, 19982010, 23312345, 23978412, 27974814, 29973015, 39964020, 41962221, 46624690, 55949628, 59946030, 69937035, 83924442, 93249380, 119892060, 139874070, 167848884, 209811105, 279748140, 419622210, 839244420]

約数ペア:

[(1, 839244420), (2, 419622210), (3, 279748140), (4, 209811105), (5, 167848884), (6, 139874070), (7, 119892060), (9, 93249380), (10, 83924442), (12, 69937035), (14, 59946030), (15, 55949628), (18, 46624690), (20, 41962221), (21, 39964020), (28, 29973015), (30, 27974814), (35, 23978412), (36, 23312345), (42, 19982010), (45, 18649876), (60, 13987407), (63, 13321340), (70, 11989206), (84, 9991005), (90, 9324938), (105, 7992804), (126, 6660670), (140, 5994603), (180, 4662469), (210, 3996402), (252, 3330335), (315, 2664268), (420, 1998201), (630, 1332134), (1260, 666067)]