826140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{281}}^1$

素因数の和:307

約数の個数: 72

約数和(自身を含む): 2700432

約数和(自身を除く): 1874292

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 281, 294, 420, 490, 562, 588, 735, 843, 980, 1124, 1405, 1470, 1686, 1967, 2810, 2940, 3372, 3934, 4215, 5620, 5901, 7868, 8430, 9835, 11802, 13769, 16860, 19670, 23604, 27538, 29505, 39340, 41307, 55076, 59010, 68845, 82614, 118020, 137690, 165228, 206535, 275380, 413070, 826140]

約数ペア:

[(1, 826140), (2, 413070), (3, 275380), (4, 206535), (5, 165228), (6, 137690), (7, 118020), (10, 82614), (12, 68845), (14, 59010), (15, 55076), (20, 41307), (21, 39340), (28, 29505), (30, 27538), (35, 23604), (42, 19670), (49, 16860), (60, 13769), (70, 11802), (84, 9835), (98, 8430), (105, 7868), (140, 5901), (147, 5620), (196, 4215), (210, 3934), (245, 3372), (281, 2940), (294, 2810), (420, 1967), (490, 1686), (562, 1470), (588, 1405), (735, 1124), (843, 980)]