1489492000280

素因数分解:

$2^3\times 5^1\times {\mathrm{37237300007}}^1$

素因数の和:37237300018

約数の個数: 16

約数和(自身を含む): 3351357000720

約数和(自身を除く): 1861865000440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 37237300007, 74474600014, 148949200028, 186186500035, 297898400056, 372373000070, 744746000140, 1489492000280]

約数ペア:

[(1, 1489492000280), (2, 744746000140), (4, 372373000070), (5, 297898400056), (8, 186186500035), (10, 148949200028), (20, 74474600014), (40, 37237300007)]