9872980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{127}}^1$

素因数の和:185

約数の個数: 72

約数和(自身を含む): 23611392

約数和(自身を除く): 13738412

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 115, 127, 130, 169, 230, 254, 260, 299, 338, 460, 508, 598, 635, 676, 845, 1196, 1270, 1495, 1651, 1690, 2540, 2921, 2990, 3302, 3380, 3887, 5842, 5980, 6604, 7774, 8255, 11684, 14605, 15548, 16510, 19435, 21463, 29210, 33020, 37973, 38870, 42926, 58420, 75946, 77740, 85852, 107315, 151892, 189865, 214630, 379730, 429260, 493649, 759460, 987298, 1974596, 2468245, 4936490, 9872980]

約数ペア:

[(1, 9872980), (2, 4936490), (4, 2468245), (5, 1974596), (10, 987298), (13, 759460), (20, 493649), (23, 429260), (26, 379730), (46, 214630), (52, 189865), (65, 151892), (92, 107315), (115, 85852), (127, 77740), (130, 75946), (169, 58420), (230, 42926), (254, 38870), (260, 37973), (299, 33020), (338, 29210), (460, 21463), (508, 19435), (598, 16510), (635, 15548), (676, 14605), (845, 11684), (1196, 8255), (1270, 7774), (1495, 6604), (1651, 5980), (1690, 5842), (2540, 3887), (2921, 3380), (2990, 3302)]