39409810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{421}}^1$

素因数の和:499

約数の個数: 64

約数和(自身を含む): 83130624

約数和(自身を除く): 43720814

約数列:

[1, 2, 5, 10, 11, 22, 23, 37, 46, 55, 74, 110, 115, 185, 230, 253, 370, 407, 421, 506, 814, 842, 851, 1265, 1702, 2035, 2105, 2530, 4070, 4210, 4255, 4631, 8510, 9262, 9361, 9683, 15577, 18722, 19366, 23155, 31154, 46310, 46805, 48415, 77885, 93610, 96830, 106513, 155770, 171347, 213026, 342694, 358271, 532565, 716542, 856735, 1065130, 1713470, 1791355, 3582710, 3940981, 7881962, 19704905, 39409810]

約数ペア:

[(1, 39409810), (2, 19704905), (5, 7881962), (10, 3940981), (11, 3582710), (22, 1791355), (23, 1713470), (37, 1065130), (46, 856735), (55, 716542), (74, 532565), (110, 358271), (115, 342694), (185, 213026), (230, 171347), (253, 155770), (370, 106513), (407, 96830), (421, 93610), (506, 77885), (814, 48415), (842, 46805), (851, 46310), (1265, 31154), (1702, 23155), (2035, 19366), (2105, 18722), (2530, 15577), (4070, 9683), (4210, 9361), (4255, 9262), (4631, 8510)]