76928980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{977}}^1$

素因数の和:1144

約数の個数: 48

約数和(自身を含む): 168247296

約数和(自身を除く): 91318316

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 127, 155, 254, 310, 508, 620, 635, 977, 1270, 1954, 2540, 3908, 3937, 4885, 7874, 9770, 15748, 19540, 19685, 30287, 39370, 60574, 78740, 121148, 124079, 151435, 248158, 302870, 496316, 605740, 620395, 1240790, 2481580, 3846449, 7692898, 15385796, 19232245, 38464490, 76928980]

約数ペア:

[(1, 76928980), (2, 38464490), (4, 19232245), (5, 15385796), (10, 7692898), (20, 3846449), (31, 2481580), (62, 1240790), (124, 620395), (127, 605740), (155, 496316), (254, 302870), (310, 248158), (508, 151435), (620, 124079), (635, 121148), (977, 78740), (1270, 60574), (1954, 39370), (2540, 30287), (3908, 19685), (3937, 19540), (4885, 15748), (7874, 9770)]