201289060

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{205397}}^1$

素因数の和:205420

約数の個数: 36

約数和(自身を含む): 491722812

約数和(自身を除く): 290433752

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 205397, 410794, 821588, 1026985, 1437779, 2053970, 2875558, 4107940, 5751116, 7188895, 10064453, 14377790, 20128906, 28755580, 40257812, 50322265, 100644530, 201289060]

約数ペア:

[(1, 201289060), (2, 100644530), (4, 50322265), (5, 40257812), (7, 28755580), (10, 20128906), (14, 14377790), (20, 10064453), (28, 7188895), (35, 5751116), (49, 4107940), (70, 2875558), (98, 2053970), (140, 1437779), (196, 1026985), (245, 821588), (490, 410794), (980, 205397)]