10400740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{10613}}^1$

素因数の和:10636

約数の個数: 36

約数和(自身を含む): 25409916

約数和(自身を除く): 15009176

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 10613, 21226, 42452, 53065, 74291, 106130, 148582, 212260, 297164, 371455, 520037, 742910, 1040074, 1485820, 2080148, 2600185, 5200370, 10400740]

約数ペア:

[(1, 10400740), (2, 5200370), (4, 2600185), (5, 2080148), (7, 1485820), (10, 1040074), (14, 742910), (20, 520037), (28, 371455), (35, 297164), (49, 212260), (70, 148582), (98, 106130), (140, 74291), (196, 53065), (245, 42452), (490, 21226), (980, 10613)]