78040340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{79633}}^1$

素因数の和:79656

約数の個数: 36

約数和(自身を含む): 190643796

約数和(自身を除く): 112603456

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 79633, 159266, 318532, 398165, 557431, 796330, 1114862, 1592660, 2229724, 2787155, 3902017, 5574310, 7804034, 11148620, 15608068, 19510085, 39020170, 78040340]

約数ペア:

[(1, 78040340), (2, 39020170), (4, 19510085), (5, 15608068), (7, 11148620), (10, 7804034), (14, 5574310), (20, 3902017), (28, 2787155), (35, 2229724), (49, 1592660), (70, 1114862), (98, 796330), (140, 557431), (196, 398165), (245, 318532), (490, 159266), (980, 79633)]