287140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{293}}^1$

素因数の和:316

約数の個数: 36

約数和(自身を含む): 703836

約数和(自身を除く): 416696

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 293, 490, 586, 980, 1172, 1465, 2051, 2930, 4102, 5860, 8204, 10255, 14357, 20510, 28714, 41020, 57428, 71785, 143570, 287140]

約数ペア:

[(1, 287140), (2, 143570), (4, 71785), (5, 57428), (7, 41020), (10, 28714), (14, 20510), (20, 14357), (28, 10255), (35, 8204), (49, 5860), (70, 4102), (98, 2930), (140, 2051), (196, 1465), (245, 1172), (293, 980), (490, 586)]