68181380

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1\times {\mathrm{463}}^1$

素因数の和:708

約数の個数: 48

約数和(自身を含む): 148108800

約数和(自身を除く): 79927420

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 199, 370, 398, 463, 740, 796, 926, 995, 1852, 1990, 2315, 3980, 4630, 7363, 9260, 14726, 17131, 29452, 34262, 36815, 68524, 73630, 85655, 92137, 147260, 171310, 184274, 342620, 368548, 460685, 921370, 1842740, 3409069, 6818138, 13636276, 17045345, 34090690, 68181380]

約数ペア:

[(1, 68181380), (2, 34090690), (4, 17045345), (5, 13636276), (10, 6818138), (20, 3409069), (37, 1842740), (74, 921370), (148, 460685), (185, 368548), (199, 342620), (370, 184274), (398, 171310), (463, 147260), (740, 92137), (796, 85655), (926, 73630), (995, 68524), (1852, 36815), (1990, 34262), (2315, 29452), (3980, 17131), (4630, 14726), (7363, 9260)]