285238380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{499}}^1\times {\mathrm{1361}}^1$

素因数の和:1879

約数の個数: 96

約数和(自身を含む): 915264000

約数和(自身を除く): 630025620

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 499, 998, 1361, 1497, 1996, 2495, 2722, 2994, 3493, 4083, 4990, 5444, 5988, 6805, 6986, 7485, 8166, 9527, 9980, 10479, 13610, 13972, 14970, 16332, 17465, 19054, 20415, 20958, 27220, 28581, 29940, 34930, 38108, 40830, 41916, 47635, 52395, 57162, 69860, 81660, 95270, 104790, 114324, 142905, 190540, 209580, 285810, 571620, 679139, 1358278, 2037417, 2716556, 3395695, 4074834, 4753973, 6791390, 8149668, 9507946, 10187085, 13582780, 14261919, 19015892, 20374170, 23769865, 28523838, 40748340, 47539730, 57047676, 71309595, 95079460, 142619190, 285238380]

約数ペア:

[(1, 285238380), (2, 142619190), (3, 95079460), (4, 71309595), (5, 57047676), (6, 47539730), (7, 40748340), (10, 28523838), (12, 23769865), (14, 20374170), (15, 19015892), (20, 14261919), (21, 13582780), (28, 10187085), (30, 9507946), (35, 8149668), (42, 6791390), (60, 4753973), (70, 4074834), (84, 3395695), (105, 2716556), (140, 2037417), (210, 1358278), (420, 679139), (499, 571620), (998, 285810), (1361, 209580), (1497, 190540), (1996, 142905), (2495, 114324), (2722, 104790), (2994, 95270), (3493, 81660), (4083, 69860), (4990, 57162), (5444, 52395), (5988, 47635), (6805, 41916), (6986, 40830), (7485, 38108), (8166, 34930), (9527, 29940), (9980, 28581), (10479, 27220), (13610, 20958), (13972, 20415), (14970, 19054), (16332, 17465)]