221444790

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{563}}^1\times {\mathrm{1873}}^1$

素因数の和:2453

約数の個数: 64

約数和(自身を含む): 608795136

約数和(自身を除く): 387350346

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 563, 1126, 1689, 1873, 2815, 3378, 3746, 3941, 5619, 5630, 7882, 8445, 9365, 11238, 11823, 13111, 16890, 18730, 19705, 23646, 26222, 28095, 39333, 39410, 56190, 59115, 65555, 78666, 118230, 131110, 196665, 393330, 1054499, 2108998, 3163497, 5272495, 6326994, 7381493, 10544990, 14762986, 15817485, 22144479, 31634970, 36907465, 44288958, 73814930, 110722395, 221444790]

約数ペア:

[(1, 221444790), (2, 110722395), (3, 73814930), (5, 44288958), (6, 36907465), (7, 31634970), (10, 22144479), (14, 15817485), (15, 14762986), (21, 10544990), (30, 7381493), (35, 6326994), (42, 5272495), (70, 3163497), (105, 2108998), (210, 1054499), (563, 393330), (1126, 196665), (1689, 131110), (1873, 118230), (2815, 78666), (3378, 65555), (3746, 59115), (3941, 56190), (5619, 39410), (5630, 39333), (7882, 28095), (8445, 26222), (9365, 23646), (11238, 19705), (11823, 18730), (13111, 16890)]