78908340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{187877}}^1$

素因数の和:187896

約数の個数: 48

約数和(自身を含む): 252508032

約数和(自身を除く): 173599692

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, 187877, 375754, 563631, 751508, 939385, 1127262, 1315139, 1878770, 2254524, 2630278, 2818155, 3757540, 3945417, 5260556, 5636310, 6575695, 7890834, 11272620, 13151390, 15781668, 19727085, 26302780, 39454170, 78908340]

約数ペア:

[(1, 78908340), (2, 39454170), (3, 26302780), (4, 19727085), (5, 15781668), (6, 13151390), (7, 11272620), (10, 7890834), (12, 6575695), (14, 5636310), (15, 5260556), (20, 3945417), (21, 3757540), (28, 2818155), (30, 2630278), (35, 2254524), (42, 1878770), (60, 1315139), (70, 1127262), (84, 939385), (105, 751508), (140, 563631), (210, 375754), (420, 187877)]