13968980

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{439}}^1$

素因数の和:528

約数の個数: 48

約数和(自身を含む): 30898560

約数和(自身を除く): 16929580

約数列:

[1, 2, 4, 5, 10, 20, 37, 43, 74, 86, 148, 172, 185, 215, 370, 430, 439, 740, 860, 878, 1591, 1756, 2195, 3182, 4390, 6364, 7955, 8780, 15910, 16243, 18877, 31820, 32486, 37754, 64972, 75508, 81215, 94385, 162430, 188770, 324860, 377540, 698449, 1396898, 2793796, 3492245, 6984490, 13968980]

約数ペア:

[(1, 13968980), (2, 6984490), (4, 3492245), (5, 2793796), (10, 1396898), (20, 698449), (37, 377540), (43, 324860), (74, 188770), (86, 162430), (148, 94385), (172, 81215), (185, 75508), (215, 64972), (370, 37754), (430, 32486), (439, 31820), (740, 18877), (860, 16243), (878, 15910), (1591, 8780), (1756, 7955), (2195, 6364), (3182, 4390)]