42909580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{9887}}^1$

素因数の和:9934

約数の個数: 48

約数和(自身を含む): 106315776

約数和(自身を除く): 63406196

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 9887, 19774, 39548, 49435, 69209, 98870, 138418, 197740, 276836, 306497, 346045, 612994, 692090, 1225988, 1384180, 1532485, 2145479, 3064970, 4290958, 6129940, 8581916, 10727395, 21454790, 42909580]

約数ペア:

[(1, 42909580), (2, 21454790), (4, 10727395), (5, 8581916), (7, 6129940), (10, 4290958), (14, 3064970), (20, 2145479), (28, 1532485), (31, 1384180), (35, 1225988), (62, 692090), (70, 612994), (124, 346045), (140, 306497), (155, 276836), (217, 197740), (310, 138418), (434, 98870), (620, 69209), (868, 49435), (1085, 39548), (2170, 19774), (4340, 9887)]