998340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{2377}}^1$

素因数の和:2396

約数の個数: 48

約数和(自身を含む): 3196032

約数和(自身を除く): 2197692

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, 2377, 4754, 7131, 9508, 11885, 14262, 16639, 23770, 28524, 33278, 35655, 47540, 49917, 66556, 71310, 83195, 99834, 142620, 166390, 199668, 249585, 332780, 499170, 998340]

約数ペア:

[(1, 998340), (2, 499170), (3, 332780), (4, 249585), (5, 199668), (6, 166390), (7, 142620), (10, 99834), (12, 83195), (14, 71310), (15, 66556), (20, 49917), (21, 47540), (28, 35655), (30, 33278), (35, 28524), (42, 23770), (60, 16639), (70, 14262), (84, 11885), (105, 9508), (140, 7131), (210, 4754), (420, 2377)]