68700770

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1$

素因数の和:327

約数の個数: 64

約数和(自身を含む): 138240000

約数和(自身を除く): 69539230

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 79, 95, 115, 158, 190, 199, 230, 395, 398, 437, 790, 874, 995, 1501, 1817, 1990, 2185, 3002, 3634, 3781, 4370, 4577, 7505, 7562, 9085, 9154, 15010, 15721, 18170, 18905, 22885, 31442, 34523, 37810, 45770, 69046, 78605, 86963, 157210, 172615, 173926, 298699, 345230, 361583, 434815, 597398, 723166, 869630, 1493495, 1807915, 2986990, 3615830, 6870077, 13740154, 34350385, 68700770]

約数ペア:

[(1, 68700770), (2, 34350385), (5, 13740154), (10, 6870077), (19, 3615830), (23, 2986990), (38, 1807915), (46, 1493495), (79, 869630), (95, 723166), (115, 597398), (158, 434815), (190, 361583), (199, 345230), (230, 298699), (395, 173926), (398, 172615), (437, 157210), (790, 86963), (874, 78605), (995, 69046), (1501, 45770), (1817, 37810), (1990, 34523), (2185, 31442), (3002, 22885), (3634, 18905), (3781, 18170), (4370, 15721), (4577, 15010), (7505, 9154), (7562, 9085)]