149725540

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{193}}^1\times {\mathrm{491}}^1$

素因数の和:772

約数の個数: 48

約数和(自身を含む): 320705280

約数和(自身を除く): 170979740

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 193, 316, 386, 395, 491, 772, 790, 965, 982, 1580, 1930, 1964, 2455, 3860, 4910, 9820, 15247, 30494, 38789, 60988, 76235, 77578, 94763, 152470, 155156, 189526, 193945, 304940, 379052, 387890, 473815, 775780, 947630, 1895260, 7486277, 14972554, 29945108, 37431385, 74862770, 149725540]

約数ペア:

[(1, 149725540), (2, 74862770), (4, 37431385), (5, 29945108), (10, 14972554), (20, 7486277), (79, 1895260), (158, 947630), (193, 775780), (316, 473815), (386, 387890), (395, 379052), (491, 304940), (772, 193945), (790, 189526), (965, 155156), (982, 152470), (1580, 94763), (1930, 77578), (1964, 76235), (2455, 60988), (3860, 38789), (4910, 30494), (9820, 15247)]