208031320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{32303}}^1$

素因数の和:32344

約数の個数: 64

約数和(自身を含む): 558213120

約数和(自身を除く): 350181800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 3220, 6440, 32303, 64606, 129212, 161515, 226121, 258424, 323030, 452242, 646060, 742969, 904484, 1130605, 1292120, 1485938, 1808968, 2261210, 2971876, 3714845, 4522420, 5200783, 5943752, 7429690, 9044840, 10401566, 14859380, 20803132, 26003915, 29718760, 41606264, 52007830, 104015660, 208031320]

約数ペア:

[(1, 208031320), (2, 104015660), (4, 52007830), (5, 41606264), (7, 29718760), (8, 26003915), (10, 20803132), (14, 14859380), (20, 10401566), (23, 9044840), (28, 7429690), (35, 5943752), (40, 5200783), (46, 4522420), (56, 3714845), (70, 2971876), (92, 2261210), (115, 1808968), (140, 1485938), (161, 1292120), (184, 1130605), (230, 904484), (280, 742969), (322, 646060), (460, 452242), (644, 323030), (805, 258424), (920, 226121), (1288, 161515), (1610, 129212), (3220, 64606), (6440, 32303)]