320440945

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^2\times {\mathrm{137}}^1$

素因数の和:262

約数の個数: 48

約数和(自身を含む): 451412352

約数和(自身を除く): 130971407

約数列:

[1, 5, 11, 23, 43, 55, 115, 137, 215, 253, 473, 685, 989, 1265, 1507, 1849, 2365, 3151, 4945, 5891, 7535, 9245, 10879, 15755, 20339, 29455, 34661, 42527, 54395, 64801, 101695, 135493, 173305, 212635, 253313, 324005, 467797, 677465, 1266565, 1490423, 2338985, 2786443, 5826199, 7452115, 13932215, 29130995, 64088189, 320440945]

約数ペア:

[(1, 320440945), (5, 64088189), (11, 29130995), (23, 13932215), (43, 7452115), (55, 5826199), (115, 2786443), (137, 2338985), (215, 1490423), (253, 1266565), (473, 677465), (685, 467797), (989, 324005), (1265, 253313), (1507, 212635), (1849, 173305), (2365, 135493), (3151, 101695), (4945, 64801), (5891, 54395), (7535, 42527), (9245, 34661), (10879, 29455), (15755, 20339)]