78819620

素因数分解:

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

素因数の和:501

約数の個数: 96

約数和(自身を含む): 193971456

約数和(自身を除く): 115151836

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 37, 44, 46, 55, 74, 92, 110, 115, 148, 185, 220, 230, 253, 370, 407, 421, 460, 506, 740, 814, 842, 851, 1012, 1265, 1628, 1684, 1702, 2035, 2105, 2530, 3404, 4070, 4210, 4255, 4631, 5060, 8140, 8420, 8510, 9262, 9361, 9683, 15577, 17020, 18524, 18722, 19366, 23155, 31154, 37444, 38732, 46310, 46805, 48415, 62308, 77885, 92620, 93610, 96830, 106513, 155770, 171347, 187220, 193660, 213026, 311540, 342694, 358271, 426052, 532565, 685388, 716542, 856735, 1065130, 1433084, 1713470, 1791355, 2130260, 3426940, 3582710, 3940981, 7165420, 7881962, 15763924, 19704905, 39409810, 78819620]

約数ペア:

[(1, 78819620), (2, 39409810), (4, 19704905), (5, 15763924), (10, 7881962), (11, 7165420), (20, 3940981), (22, 3582710), (23, 3426940), (37, 2130260), (44, 1791355), (46, 1713470), (55, 1433084), (74, 1065130), (92, 856735), (110, 716542), (115, 685388), (148, 532565), (185, 426052), (220, 358271), (230, 342694), (253, 311540), (370, 213026), (407, 193660), (421, 187220), (460, 171347), (506, 155770), (740, 106513), (814, 96830), (842, 93610), (851, 92620), (1012, 77885), (1265, 62308), (1628, 48415), (1684, 46805), (1702, 46310), (2035, 38732), (2105, 37444), (2530, 31154), (3404, 23155), (4070, 19366), (4210, 18722), (4255, 18524), (4631, 17020), (5060, 15577), (8140, 9683), (8420, 9361), (8510, 9262)]