201053860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{205157}}^1$

素因数の和:205180

約数の個数: 36

約数和(自身を含む): 491148252

約数和(自身を除く): 290094392

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 205157, 410314, 820628, 1025785, 1436099, 2051570, 2872198, 4103140, 5744396, 7180495, 10052693, 14360990, 20105386, 28721980, 40210772, 50263465, 100526930, 201053860]

約数ペア:

[(1, 201053860), (2, 100526930), (4, 50263465), (5, 40210772), (7, 28721980), (10, 20105386), (14, 14360990), (20, 10052693), (28, 7180495), (35, 5744396), (49, 4103140), (70, 2872198), (98, 2051570), (140, 1436099), (196, 1025785), (245, 820628), (490, 410314), (980, 205157)]