1370399620

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{607}}^1\times {\mathrm{719}}^1$

素因数の和:1492

約数の個数: 48

約数和(自身を含む): 2904975360

約数和(自身を除く): 1534575740

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 607, 628, 719, 785, 1214, 1438, 1570, 2428, 2876, 3035, 3140, 3595, 6070, 7190, 12140, 14380, 95299, 112883, 190598, 225766, 381196, 436433, 451532, 476495, 564415, 872866, 952990, 1128830, 1745732, 1905980, 2182165, 2257660, 4364330, 8728660, 68519981, 137039962, 274079924, 342599905, 685199810, 1370399620]

約数ペア:

[(1, 1370399620), (2, 685199810), (4, 342599905), (5, 274079924), (10, 137039962), (20, 68519981), (157, 8728660), (314, 4364330), (607, 2257660), (628, 2182165), (719, 1905980), (785, 1745732), (1214, 1128830), (1438, 952990), (1570, 872866), (2428, 564415), (2876, 476495), (3035, 451532), (3140, 436433), (3595, 381196), (6070, 225766), (7190, 190598), (12140, 112883), (14380, 95299)]