131836740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{313897}}^1$

素因数の和:313916

約数の個数: 48

約数和(自身を含む): 421878912

約数和(自身を除く): 290042172

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 313897, 627794, 941691, 1255588, 1569485, 1883382, 2197279, 3138970, 3766764, 4394558, 4708455, 6277940, 6591837, 8789116, 9416910, 10986395, 13183674, 18833820, 21972790, 26367348, 32959185, 43945580, 65918370, 131836740]

約数ペア:

[(1, 131836740), (2, 65918370), (3, 43945580), (4, 32959185), (5, 26367348), (6, 21972790), (7, 18833820), (10, 13183674), (12, 10986395), (14, 9416910), (15, 8789116), (20, 6591837), (21, 6277940), (28, 4708455), (30, 4394558), (35, 3766764), (42, 3138970), (60, 2197279), (70, 1883382), (84, 1569485), (105, 1255588), (140, 941691), (210, 627794), (420, 313897)]