127380680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{454931}}^1$

素因数の和:454949

約数の個数: 32

約数和(自身を含む): 327551040

約数和(自身を除く): 200170360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 454931, 909862, 1819724, 2274655, 3184517, 3639448, 4549310, 6369034, 9098620, 12738068, 15922585, 18197240, 25476136, 31845170, 63690340, 127380680]

約数ペア:

[(1, 127380680), (2, 63690340), (4, 31845170), (5, 25476136), (7, 18197240), (8, 15922585), (10, 12738068), (14, 9098620), (20, 6369034), (28, 4549310), (35, 3639448), (40, 3184517), (56, 2274655), (70, 1819724), (140, 909862), (280, 454931)]