26890220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{1193}}^1$

素因数の和:1239

約数の個数: 72

約数和(自身を含む): 68602464

約数和(自身を除く): 41712244

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 49, 70, 92, 98, 115, 140, 161, 196, 230, 245, 322, 460, 490, 644, 805, 980, 1127, 1193, 1610, 2254, 2386, 3220, 4508, 4772, 5635, 5965, 8351, 11270, 11930, 16702, 22540, 23860, 27439, 33404, 41755, 54878, 58457, 83510, 109756, 116914, 137195, 167020, 192073, 233828, 274390, 292285, 384146, 548780, 584570, 768292, 960365, 1169140, 1344511, 1920730, 2689022, 3841460, 5378044, 6722555, 13445110, 26890220]

約数ペア:

[(1, 26890220), (2, 13445110), (4, 6722555), (5, 5378044), (7, 3841460), (10, 2689022), (14, 1920730), (20, 1344511), (23, 1169140), (28, 960365), (35, 768292), (46, 584570), (49, 548780), (70, 384146), (92, 292285), (98, 274390), (115, 233828), (140, 192073), (161, 167020), (196, 137195), (230, 116914), (245, 109756), (322, 83510), (460, 58457), (490, 54878), (644, 41755), (805, 33404), (980, 27439), (1127, 23860), (1193, 22540), (1610, 16702), (2254, 11930), (2386, 11270), (3220, 8351), (4508, 5965), (4772, 5635)]