31444820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{3863}}^1$

素因数の和:3920

約数の個数: 48

約数和(自身を含む): 74003328

約数和(自身を除く): 42558508

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 148, 185, 220, 370, 407, 740, 814, 1628, 2035, 3863, 4070, 7726, 8140, 15452, 19315, 38630, 42493, 77260, 84986, 142931, 169972, 212465, 285862, 424930, 571724, 714655, 849860, 1429310, 1572241, 2858620, 3144482, 6288964, 7861205, 15722410, 31444820]

約数ペア:

[(1, 31444820), (2, 15722410), (4, 7861205), (5, 6288964), (10, 3144482), (11, 2858620), (20, 1572241), (22, 1429310), (37, 849860), (44, 714655), (55, 571724), (74, 424930), (110, 285862), (148, 212465), (185, 169972), (220, 142931), (370, 84986), (407, 77260), (740, 42493), (814, 38630), (1628, 19315), (2035, 15452), (3863, 8140), (4070, 7726)]