71847170

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{401}}^1$

素因数の和:491

約数の個数: 64

約数和(自身を含む): 145877760

約数和(自身を除く): 74030590

約数列:

[1, 2, 5, 10, 19, 23, 38, 41, 46, 82, 95, 115, 190, 205, 230, 401, 410, 437, 779, 802, 874, 943, 1558, 1886, 2005, 2185, 3895, 4010, 4370, 4715, 7619, 7790, 9223, 9430, 15238, 16441, 17917, 18446, 32882, 35834, 38095, 46115, 76190, 82205, 89585, 92230, 164410, 175237, 179170, 312379, 350474, 378143, 624758, 756286, 876185, 1561895, 1752370, 1890715, 3123790, 3781430, 7184717, 14369434, 35923585, 71847170]

約数ペア:

[(1, 71847170), (2, 35923585), (5, 14369434), (10, 7184717), (19, 3781430), (23, 3123790), (38, 1890715), (41, 1752370), (46, 1561895), (82, 876185), (95, 756286), (115, 624758), (190, 378143), (205, 350474), (230, 312379), (401, 179170), (410, 175237), (437, 164410), (779, 92230), (802, 89585), (874, 82205), (943, 76190), (1558, 46115), (1886, 38095), (2005, 35834), (2185, 32882), (3895, 18446), (4010, 17917), (4370, 16441), (4715, 15238), (7619, 9430), (7790, 9223)]