157216780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{379}}^1\times {\mathrm{2963}}^1$

素因数の和:3358

約数の個数: 48

約数和(自身を含む): 378443520

約数和(自身を除く): 221226740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 379, 758, 1516, 1895, 2653, 2963, 3790, 5306, 5926, 7580, 10612, 11852, 13265, 14815, 20741, 26530, 29630, 41482, 53060, 59260, 82964, 103705, 207410, 414820, 1122977, 2245954, 4491908, 5614885, 7860839, 11229770, 15721678, 22459540, 31443356, 39304195, 78608390, 157216780]

約数ペア:

[(1, 157216780), (2, 78608390), (4, 39304195), (5, 31443356), (7, 22459540), (10, 15721678), (14, 11229770), (20, 7860839), (28, 5614885), (35, 4491908), (70, 2245954), (140, 1122977), (379, 414820), (758, 207410), (1516, 103705), (1895, 82964), (2653, 59260), (2963, 53060), (3790, 41482), (5306, 29630), (5926, 26530), (7580, 20741), (10612, 14815), (11852, 13265)]