291275180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1091}}^1\times {\mathrm{1907}}^1$

素因数の和:3014

約数の個数: 48

約数和(自身を含む): 700068096

約数和(自身を除く): 408792916

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1091, 1907, 2182, 3814, 4364, 5455, 7628, 7637, 9535, 10910, 13349, 15274, 19070, 21820, 26698, 30548, 38140, 38185, 53396, 66745, 76370, 133490, 152740, 266980, 2080537, 4161074, 8322148, 10402685, 14563759, 20805370, 29127518, 41610740, 58255036, 72818795, 145637590, 291275180]

約数ペア:

[(1, 291275180), (2, 145637590), (4, 72818795), (5, 58255036), (7, 41610740), (10, 29127518), (14, 20805370), (20, 14563759), (28, 10402685), (35, 8322148), (70, 4161074), (140, 2080537), (1091, 266980), (1907, 152740), (2182, 133490), (3814, 76370), (4364, 66745), (5455, 53396), (7628, 38185), (7637, 38140), (9535, 30548), (10910, 26698), (13349, 21820), (15274, 19070)]