120932840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{431903}}^1$

素因数の和:431921

約数の個数: 32

約数和(自身を含む): 310970880

約数和(自身を除く): 190038040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 431903, 863806, 1727612, 2159515, 3023321, 3455224, 4319030, 6046642, 8638060, 12093284, 15116605, 17276120, 24186568, 30233210, 60466420, 120932840]

約数ペア:

[(1, 120932840), (2, 60466420), (4, 30233210), (5, 24186568), (7, 17276120), (8, 15116605), (10, 12093284), (14, 8638060), (20, 6046642), (28, 4319030), (35, 3455224), (40, 3023321), (56, 2159515), (70, 1727612), (140, 863806), (280, 431903)]