91404740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{21061}}^1$

素因数の和:21108

約数の個数: 48

約数和(自身を含む): 226458624

約数和(自身を除く): 135053884

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, 21061, 42122, 84244, 105305, 147427, 210610, 294854, 421220, 589708, 652891, 737135, 1305782, 1474270, 2611564, 2948540, 3264455, 4570237, 6528910, 9140474, 13057820, 18280948, 22851185, 45702370, 91404740]

約数ペア:

[(1, 91404740), (2, 45702370), (4, 22851185), (5, 18280948), (7, 13057820), (10, 9140474), (14, 6528910), (20, 4570237), (28, 3264455), (31, 2948540), (35, 2611564), (62, 1474270), (70, 1305782), (124, 737135), (140, 652891), (155, 589708), (217, 421220), (310, 294854), (434, 210610), (620, 147427), (868, 105305), (1085, 84244), (2170, 42122), (4340, 21061)]