122735620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{439}}^1\times {\mathrm{1997}}^1$

素因数の和:2452

約数の個数: 48

約数和(自身を含む): 295384320

約数和(自身を除く): 172648700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 439, 878, 1756, 1997, 2195, 3073, 3994, 4390, 6146, 7988, 8780, 9985, 12292, 13979, 15365, 19970, 27958, 30730, 39940, 55916, 61460, 69895, 139790, 279580, 876683, 1753366, 3506732, 4383415, 6136781, 8766830, 12273562, 17533660, 24547124, 30683905, 61367810, 122735620]

約数ペア:

[(1, 122735620), (2, 61367810), (4, 30683905), (5, 24547124), (7, 17533660), (10, 12273562), (14, 8766830), (20, 6136781), (28, 4383415), (35, 3506732), (70, 1753366), (140, 876683), (439, 279580), (878, 139790), (1756, 69895), (1997, 61460), (2195, 55916), (3073, 39940), (3994, 30730), (4390, 27958), (6146, 19970), (7988, 15365), (8780, 13979), (9985, 12292)]