156977620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{439}}^1\times {\mathrm{941}}^1$

素因数の和:1408

約数の個数: 48

約数和(自身を含む): 348163200

約数和(自身を除く): 191185580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 439, 878, 941, 1756, 1882, 2195, 3764, 4390, 4705, 8341, 8780, 9410, 16682, 17879, 18820, 33364, 35758, 41705, 71516, 83410, 89395, 166820, 178790, 357580, 413099, 826198, 1652396, 2065495, 4130990, 7848881, 8261980, 15697762, 31395524, 39244405, 78488810, 156977620]

約数ペア:

[(1, 156977620), (2, 78488810), (4, 39244405), (5, 31395524), (10, 15697762), (19, 8261980), (20, 7848881), (38, 4130990), (76, 2065495), (95, 1652396), (190, 826198), (380, 413099), (439, 357580), (878, 178790), (941, 166820), (1756, 89395), (1882, 83410), (2195, 71516), (3764, 41705), (4390, 35758), (4705, 33364), (8341, 18820), (8780, 17879), (9410, 16682)]