78278340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{186377}}^1$

素因数の和:186396

約数の個数: 48

約数和(自身を含む): 250492032

約数和(自身を除く): 172213692

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, 186377, 372754, 559131, 745508, 931885, 1118262, 1304639, 1863770, 2236524, 2609278, 2795655, 3727540, 3913917, 5218556, 5591310, 6523195, 7827834, 11182620, 13046390, 15655668, 19569585, 26092780, 39139170, 78278340]

約数ペア:

[(1, 78278340), (2, 39139170), (3, 26092780), (4, 19569585), (5, 15655668), (6, 13046390), (7, 11182620), (10, 7827834), (12, 6523195), (14, 5591310), (15, 5218556), (20, 3913917), (21, 3727540), (28, 2795655), (30, 2609278), (35, 2236524), (42, 1863770), (60, 1304639), (70, 1118262), (84, 931885), (105, 745508), (140, 559131), (210, 372754), (420, 186377)]