71549980

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{739}}^1$

素因数の和:898

約数の個数: 48

約数和(自身を含む): 155151360

約数和(自身を除く): 83601380

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 103, 188, 206, 235, 412, 470, 515, 739, 940, 1030, 1478, 2060, 2956, 3695, 4841, 7390, 9682, 14780, 19364, 24205, 34733, 48410, 69466, 76117, 96820, 138932, 152234, 173665, 304468, 347330, 380585, 694660, 761170, 1522340, 3577499, 7154998, 14309996, 17887495, 35774990, 71549980]

約数ペア:

[(1, 71549980), (2, 35774990), (4, 17887495), (5, 14309996), (10, 7154998), (20, 3577499), (47, 1522340), (94, 761170), (103, 694660), (188, 380585), (206, 347330), (235, 304468), (412, 173665), (470, 152234), (515, 138932), (739, 96820), (940, 76117), (1030, 69466), (1478, 48410), (2060, 34733), (2956, 24205), (3695, 19364), (4841, 14780), (7390, 9682)]