308805.00000000

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{80407}}^1$

素因数の和:80477

約数の個数: 24

約数和(自身を含む): 209382432

約数和(自身を除く): 111285892

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 80407, 160814, 321628, 402035, 804070, 1608140, 4904827, 9809654, 19619308, 24524135, 49048270, 98096540]

約数ペア:

[(1, 98096540), (2, 49048270), (4, 24524135), (5, 19619308), (10, 9809654), (20, 4904827), (61, 1608140), (122, 804070), (244, 402035), (305, 321628), (610, 160814), (1220, 80407)]