68865140

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{3209}}^1$

素因数の和:3284

約数の個数: 48

約数和(自身を含む): 153694800

約数和(自身を除く): 84829660

約数列:

[1, 2, 4, 5, 10, 20, 29, 37, 58, 74, 116, 145, 148, 185, 290, 370, 580, 740, 1073, 2146, 3209, 4292, 5365, 6418, 10730, 12836, 16045, 21460, 32090, 64180, 93061, 118733, 186122, 237466, 372244, 465305, 474932, 593665, 930610, 1187330, 1861220, 2374660, 3443257, 6886514, 13773028, 17216285, 34432570, 68865140]

約数ペア:

[(1, 68865140), (2, 34432570), (4, 17216285), (5, 13773028), (10, 6886514), (20, 3443257), (29, 2374660), (37, 1861220), (58, 1187330), (74, 930610), (116, 593665), (145, 474932), (148, 465305), (185, 372244), (290, 237466), (370, 186122), (580, 118733), (740, 93061), (1073, 64180), (2146, 32090), (3209, 21460), (4292, 16045), (5365, 12836), (6418, 10730)]