207154480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1433}}^1$

素因数の和:1598

約数の個数: 80

約数和(自身を含む): 522779040

約数和(自身を除く): 315624560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 139, 208, 260, 278, 520, 556, 695, 1040, 1112, 1390, 1433, 1807, 2224, 2780, 2866, 3614, 5560, 5732, 7165, 7228, 9035, 11120, 11464, 14330, 14456, 18070, 18629, 22928, 28660, 28912, 36140, 37258, 57320, 72280, 74516, 93145, 114640, 144560, 149032, 186290, 199187, 298064, 372580, 398374, 745160, 796748, 995935, 1490320, 1593496, 1991870, 2589431, 3186992, 3983740, 5178862, 7967480, 10357724, 12947155, 15934960, 20715448, 25894310, 41430896, 51788620, 103577240, 207154480]

約数ペア:

[(1, 207154480), (2, 103577240), (4, 51788620), (5, 41430896), (8, 25894310), (10, 20715448), (13, 15934960), (16, 12947155), (20, 10357724), (26, 7967480), (40, 5178862), (52, 3983740), (65, 3186992), (80, 2589431), (104, 1991870), (130, 1593496), (139, 1490320), (208, 995935), (260, 796748), (278, 745160), (520, 398374), (556, 372580), (695, 298064), (1040, 199187), (1112, 186290), (1390, 149032), (1433, 144560), (1807, 114640), (2224, 93145), (2780, 74516), (2866, 72280), (3614, 57320), (5560, 37258), (5732, 36140), (7165, 28912), (7228, 28660), (9035, 22928), (11120, 18629), (11464, 18070), (14330, 14456)]