138045400

素因数分解:

$2^3\times 5^2\times {\mathrm{761}}^1\times {\mathrm{907}}^1$

素因数の和:1684

約数の個数: 48

約数和(自身を含む): 321731640

約数和(自身を除く): 183686240

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 761, 907, 1522, 1814, 3044, 3628, 3805, 4535, 6088, 7256, 7610, 9070, 15220, 18140, 19025, 22675, 30440, 36280, 38050, 45350, 76100, 90700, 152200, 181400, 690227, 1380454, 2760908, 3451135, 5521816, 6902270, 13804540, 17255675, 27609080, 34511350, 69022700, 138045400]

約数ペア:

[(1, 138045400), (2, 69022700), (4, 34511350), (5, 27609080), (8, 17255675), (10, 13804540), (20, 6902270), (25, 5521816), (40, 3451135), (50, 2760908), (100, 1380454), (200, 690227), (761, 181400), (907, 152200), (1522, 90700), (1814, 76100), (3044, 45350), (3628, 38050), (3805, 36280), (4535, 30440), (6088, 22675), (7256, 19025), (7610, 18140), (9070, 15220)]