284356780

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1\times {\mathrm{1493}}^1$

素因数の和:1698

約数の個数: 48

約数和(自身を含む): 609910560

約数和(自身を除く): 325553780

約数列:

[1, 2, 4, 5, 10, 20, 89, 107, 178, 214, 356, 428, 445, 535, 890, 1070, 1493, 1780, 2140, 2986, 5972, 7465, 9523, 14930, 19046, 29860, 38092, 47615, 95230, 132877, 159751, 190460, 265754, 319502, 531508, 639004, 664385, 798755, 1328770, 1597510, 2657540, 3195020, 14217839, 28435678, 56871356, 71089195, 142178390, 284356780]

約数ペア:

[(1, 284356780), (2, 142178390), (4, 71089195), (5, 56871356), (10, 28435678), (20, 14217839), (89, 3195020), (107, 2657540), (178, 1597510), (214, 1328770), (356, 798755), (428, 664385), (445, 639004), (535, 531508), (890, 319502), (1070, 265754), (1493, 190460), (1780, 159751), (2140, 132877), (2986, 95230), (5972, 47615), (7465, 38092), (9523, 29860), (14930, 19046)]