86188620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{205211}}^1$

素因数の和:205230

約数の個数: 48

約数和(自身を含む): 275804928

約数和(自身を除く): 189616308

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 205211, 410422, 615633, 820844, 1026055, 1231266, 1436477, 2052110, 2462532, 2872954, 3078165, 4104220, 4309431, 5745908, 6156330, 7182385, 8618862, 12312660, 14364770, 17237724, 21547155, 28729540, 43094310, 86188620]

約数ペア:

[(1, 86188620), (2, 43094310), (3, 28729540), (4, 21547155), (5, 17237724), (6, 14364770), (7, 12312660), (10, 8618862), (12, 7182385), (14, 6156330), (15, 5745908), (20, 4309431), (21, 4104220), (28, 3078165), (30, 2872954), (35, 2462532), (42, 2052110), (60, 1436477), (70, 1231266), (84, 1026055), (105, 820844), (140, 615633), (210, 410422), (420, 205211)]