64549660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{65867}}^1$

素因数の和:65890

約数の個数: 36

約数和(自身を含む): 157687992

約数和(自身を除く): 93138332

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 65867, 131734, 263468, 329335, 461069, 658670, 922138, 1317340, 1844276, 2305345, 3227483, 4610690, 6454966, 9221380, 12909932, 16137415, 32274830, 64549660]

約数ペア:

[(1, 64549660), (2, 32274830), (4, 16137415), (5, 12909932), (7, 9221380), (10, 6454966), (14, 4610690), (20, 3227483), (28, 2305345), (35, 1844276), (49, 1317340), (70, 922138), (98, 658670), (140, 461069), (196, 329335), (245, 263468), (490, 131734), (980, 65867)]