78082760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{278867}}^1$

素因数の和:278885

約数の個数: 32

約数和(自身を含む): 200784960

約数和(自身を除く): 122702200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 278867, 557734, 1115468, 1394335, 1952069, 2230936, 2788670, 3904138, 5577340, 7808276, 9760345, 11154680, 15616552, 19520690, 39041380, 78082760]

約数ペア:

[(1, 78082760), (2, 39041380), (4, 19520690), (5, 15616552), (7, 11154680), (8, 9760345), (10, 7808276), (14, 5577340), (20, 3904138), (28, 2788670), (35, 2230936), (40, 1952069), (56, 1394335), (70, 1115468), (140, 557734), (280, 278867)]