320470616

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{7789}}^1$

素因数の和:7971

約数の個数: 32

約数和(自身を含む): 621642000

約数和(自身を除く): 301171384

約数列:

[1, 2, 4, 8, 37, 74, 139, 148, 278, 296, 556, 1112, 5143, 7789, 10286, 15578, 20572, 31156, 41144, 62312, 288193, 576386, 1082671, 1152772, 2165342, 2305544, 4330684, 8661368, 40058827, 80117654, 160235308, 320470616]

約数ペア:

[(1, 320470616), (2, 160235308), (4, 80117654), (8, 40058827), (37, 8661368), (74, 4330684), (139, 2305544), (148, 2165342), (278, 1152772), (296, 1082671), (556, 576386), (1112, 288193), (5143, 62312), (7789, 41144), (10286, 31156), (15578, 20572)]