629650

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{257}}^1$

素因数の和:283

約数の個数: 36

約数和(自身を含む): 1367658

約数和(自身を除く): 738008

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 70, 98, 175, 245, 257, 350, 490, 514, 1225, 1285, 1799, 2450, 2570, 3598, 6425, 8995, 12593, 12850, 17990, 25186, 44975, 62965, 89950, 125930, 314825, 629650]

約数ペア:

[(1, 629650), (2, 314825), (5, 125930), (7, 89950), (10, 62965), (14, 44975), (25, 25186), (35, 17990), (49, 12850), (50, 12593), (70, 8995), (98, 6425), (175, 3598), (245, 2570), (257, 2450), (350, 1799), (490, 1285), (514, 1225)]