158204620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{12697}}^1$

素因数の和:12802

約数の個数: 48

約数和(自身を含む): 383987520

約数和(自身を除く): 225782900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 356, 445, 623, 890, 1246, 1780, 2492, 3115, 6230, 12460, 12697, 25394, 50788, 63485, 88879, 126970, 177758, 253940, 355516, 444395, 888790, 1130033, 1777580, 2260066, 4520132, 5650165, 7910231, 11300330, 15820462, 22600660, 31640924, 39551155, 79102310, 158204620]

約数ペア:

[(1, 158204620), (2, 79102310), (4, 39551155), (5, 31640924), (7, 22600660), (10, 15820462), (14, 11300330), (20, 7910231), (28, 5650165), (35, 4520132), (70, 2260066), (89, 1777580), (140, 1130033), (178, 888790), (356, 444395), (445, 355516), (623, 253940), (890, 177758), (1246, 126970), (1780, 88879), (2492, 63485), (3115, 50788), (6230, 25394), (12460, 12697)]