82340780

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1\times {\mathrm{353}}^1$

素因数の和:578

約数の個数: 48

約数和(自身を含む): 176631840

約数和(自身を除く): 94291060

約数列:

[1, 2, 4, 5, 10, 20, 107, 109, 214, 218, 353, 428, 436, 535, 545, 706, 1070, 1090, 1412, 1765, 2140, 2180, 3530, 7060, 11663, 23326, 37771, 38477, 46652, 58315, 75542, 76954, 116630, 151084, 153908, 188855, 192385, 233260, 377710, 384770, 755420, 769540, 4117039, 8234078, 16468156, 20585195, 41170390, 82340780]

約数ペア:

[(1, 82340780), (2, 41170390), (4, 20585195), (5, 16468156), (10, 8234078), (20, 4117039), (107, 769540), (109, 755420), (214, 384770), (218, 377710), (353, 233260), (428, 192385), (436, 188855), (535, 153908), (545, 151084), (706, 116630), (1070, 76954), (1090, 75542), (1412, 58315), (1765, 46652), (2140, 38477), (2180, 37771), (3530, 23326), (7060, 11663)]