281134490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{308939}}^1$

素因数の和:308966

約数の個数: 32

約数和(自身を含む): 622823040

約数和(自身を除く): 341688550

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 308939, 617878, 1544695, 2162573, 3089390, 4016207, 4325146, 8032414, 10812865, 20081035, 21625730, 28113449, 40162070, 56226898, 140567245, 281134490]

約数ペア:

[(1, 281134490), (2, 140567245), (5, 56226898), (7, 40162070), (10, 28113449), (13, 21625730), (14, 20081035), (26, 10812865), (35, 8032414), (65, 4325146), (70, 4016207), (91, 3089390), (130, 2162573), (182, 1544695), (455, 617878), (910, 308939)]