42836780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{43711}}^1$

素因数の和:43734

約数の個数: 36

約数和(自身を含む): 104646528

約数和(自身を除く): 61809748

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 43711, 87422, 174844, 218555, 305977, 437110, 611954, 874220, 1223908, 1529885, 2141839, 3059770, 4283678, 6119540, 8567356, 10709195, 21418390, 42836780]

約数ペア:

[(1, 42836780), (2, 21418390), (4, 10709195), (5, 8567356), (7, 6119540), (10, 4283678), (14, 3059770), (20, 2141839), (28, 1529885), (35, 1223908), (49, 874220), (70, 611954), (98, 437110), (140, 305977), (196, 218555), (245, 174844), (490, 87422), (980, 43711)]