38969980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{1609}}^1$

素因数の和:1798

約数の個数: 48

約数和(自身を含む): 94127040

約数和(自身を除く): 55157060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 173, 346, 692, 865, 1211, 1609, 1730, 2422, 3218, 3460, 4844, 6055, 6436, 8045, 11263, 12110, 16090, 22526, 24220, 32180, 45052, 56315, 112630, 225260, 278357, 556714, 1113428, 1391785, 1948499, 2783570, 3896998, 5567140, 7793996, 9742495, 19484990, 38969980]

約数ペア:

[(1, 38969980), (2, 19484990), (4, 9742495), (5, 7793996), (7, 5567140), (10, 3896998), (14, 2783570), (20, 1948499), (28, 1391785), (35, 1113428), (70, 556714), (140, 278357), (173, 225260), (346, 112630), (692, 56315), (865, 45052), (1211, 32180), (1609, 24220), (1730, 22526), (2422, 16090), (3218, 12110), (3460, 11263), (4844, 8045), (6055, 6436)]