71964340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{73433}}^1$

素因数の和:73456

約数の個数: 36

約数和(自身を含む): 175800996

約数和(自身を除く): 103836656

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 73433, 146866, 293732, 367165, 514031, 734330, 1028062, 1468660, 2056124, 2570155, 3598217, 5140310, 7196434, 10280620, 14392868, 17991085, 35982170, 71964340]

約数ペア:

[(1, 71964340), (2, 35982170), (4, 17991085), (5, 14392868), (7, 10280620), (10, 7196434), (14, 5140310), (20, 3598217), (28, 2570155), (35, 2056124), (49, 1468660), (70, 1028062), (98, 734330), (140, 514031), (196, 367165), (245, 293732), (490, 146866), (980, 73433)]