183976940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{42391}}^1$

素因数の和:42438

約数の個数: 48

約数和(自身を含む): 455798784

約数和(自身を除く): 271821844

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, 42391, 84782, 169564, 211955, 296737, 423910, 593474, 847820, 1186948, 1314121, 1483685, 2628242, 2967370, 5256484, 5934740, 6570605, 9198847, 13141210, 18397694, 26282420, 36795388, 45994235, 91988470, 183976940]

約数ペア:

[(1, 183976940), (2, 91988470), (4, 45994235), (5, 36795388), (7, 26282420), (10, 18397694), (14, 13141210), (20, 9198847), (28, 6570605), (31, 5934740), (35, 5256484), (62, 2967370), (70, 2628242), (124, 1483685), (140, 1314121), (155, 1186948), (217, 847820), (310, 593474), (434, 423910), (620, 296737), (868, 211955), (1085, 169564), (2170, 84782), (4340, 42391)]