71401820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{72859}}^1$

素因数の和:72882

約数の個数: 36

約数和(自身を含む): 174426840

約数和(自身を除く): 103025020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 72859, 145718, 291436, 364295, 510013, 728590, 1020026, 1457180, 2040052, 2550065, 3570091, 5100130, 7140182, 10200260, 14280364, 17850455, 35700910, 71401820]

約数ペア:

[(1, 71401820), (2, 35700910), (4, 17850455), (5, 14280364), (7, 10200260), (10, 7140182), (14, 5100130), (20, 3570091), (28, 2550065), (35, 2040052), (49, 1457180), (70, 1020026), (98, 728590), (140, 510013), (196, 364295), (245, 291436), (490, 145718), (980, 72859)]