82698980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{45439}}^1$

素因数の和:45468

約数の個数: 48

約数和(自身を含む): 213749760

約数和(自身を除く): 131050780

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 45439, 90878, 181756, 227195, 318073, 454390, 590707, 636146, 908780, 1181414, 1272292, 1590365, 2362828, 2953535, 3180730, 4134949, 5907070, 6361460, 8269898, 11814140, 16539796, 20674745, 41349490, 82698980]

約数ペア:

[(1, 82698980), (2, 41349490), (4, 20674745), (5, 16539796), (7, 11814140), (10, 8269898), (13, 6361460), (14, 5907070), (20, 4134949), (26, 3180730), (28, 2953535), (35, 2362828), (52, 1590365), (65, 1272292), (70, 1181414), (91, 908780), (130, 636146), (140, 590707), (182, 454390), (260, 318073), (364, 227195), (455, 181756), (910, 90878), (1820, 45439)]