157538780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{6217}}^1$

素因数の和:6414

約数の個数: 48

約数和(自身を含む): 380243136

約数和(自身を除く): 222704356

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 181, 362, 724, 905, 1267, 1810, 2534, 3620, 5068, 6217, 6335, 12434, 12670, 24868, 25340, 31085, 43519, 62170, 87038, 124340, 174076, 217595, 435190, 870380, 1125277, 2250554, 4501108, 5626385, 7876939, 11252770, 15753878, 22505540, 31507756, 39384695, 78769390, 157538780]

約数ペア:

[(1, 157538780), (2, 78769390), (4, 39384695), (5, 31507756), (7, 22505540), (10, 15753878), (14, 11252770), (20, 7876939), (28, 5626385), (35, 4501108), (70, 2250554), (140, 1125277), (181, 870380), (362, 435190), (724, 217595), (905, 174076), (1267, 124340), (1810, 87038), (2534, 62170), (3620, 43519), (5068, 31085), (6217, 25340), (6335, 24868), (12434, 12670)]