123472336

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{199}}^1$

素因数の和:396

約数の個数: 80

約数和(自身を含む): 274288000

約数和(自身を除く): 150815664

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 157, 199, 208, 247, 304, 314, 398, 494, 628, 796, 988, 1256, 1592, 1976, 2041, 2512, 2587, 2983, 3184, 3781, 3952, 4082, 5174, 5966, 7562, 8164, 10348, 11932, 15124, 16328, 20696, 23864, 30248, 31243, 32656, 38779, 41392, 47728, 49153, 60496, 62486, 77558, 98306, 124972, 155116, 196612, 249944, 310232, 393224, 406159, 499888, 593617, 620464, 786448, 812318, 1187234, 1624636, 2374468, 3249272, 4748936, 6498544, 7717021, 9497872, 15434042, 30868084, 61736168, 123472336]

約数ペア:

[(1, 123472336), (2, 61736168), (4, 30868084), (8, 15434042), (13, 9497872), (16, 7717021), (19, 6498544), (26, 4748936), (38, 3249272), (52, 2374468), (76, 1624636), (104, 1187234), (152, 812318), (157, 786448), (199, 620464), (208, 593617), (247, 499888), (304, 406159), (314, 393224), (398, 310232), (494, 249944), (628, 196612), (796, 155116), (988, 124972), (1256, 98306), (1592, 77558), (1976, 62486), (2041, 60496), (2512, 49153), (2587, 47728), (2983, 41392), (3184, 38779), (3781, 32656), (3952, 31243), (4082, 30248), (5174, 23864), (5966, 20696), (7562, 16328), (8164, 15124), (10348, 11932)]