84778820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{86509}}^1$

素因数の和:86532

約数の個数: 36

約数和(自身を含む): 207104940

約数和(自身を除く): 122326120

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 86509, 173018, 346036, 432545, 605563, 865090, 1211126, 1730180, 2422252, 3027815, 4238941, 6055630, 8477882, 12111260, 16955764, 21194705, 42389410, 84778820]

約数ペア:

[(1, 84778820), (2, 42389410), (4, 21194705), (5, 16955764), (7, 12111260), (10, 8477882), (14, 6055630), (20, 4238941), (28, 3027815), (35, 2422252), (49, 1730180), (70, 1211126), (98, 865090), (140, 605563), (196, 432545), (245, 346036), (490, 173018), (980, 86509)]