408468992

素因数分解:

$2^9\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{211}}^1$

素因数の和:447

約数の個数: 80

約数和(自身を含む): 867504000

約数和(自身を除く): 459035008

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 199, 211, 256, 304, 398, 422, 512, 608, 796, 844, 1216, 1592, 1688, 2432, 3184, 3376, 3781, 4009, 4864, 6368, 6752, 7562, 8018, 9728, 12736, 13504, 15124, 16036, 25472, 27008, 30248, 32072, 41989, 50944, 54016, 60496, 64144, 83978, 101888, 108032, 120992, 128288, 167956, 241984, 256576, 335912, 483968, 513152, 671824, 797791, 967936, 1026304, 1343648, 1595582, 1935872, 2052608, 2687296, 3191164, 5374592, 6382328, 10749184, 12764656, 21498368, 25529312, 51058624, 102117248, 204234496, 408468992]

約数ペア:

[(1, 408468992), (2, 204234496), (4, 102117248), (8, 51058624), (16, 25529312), (19, 21498368), (32, 12764656), (38, 10749184), (64, 6382328), (76, 5374592), (128, 3191164), (152, 2687296), (199, 2052608), (211, 1935872), (256, 1595582), (304, 1343648), (398, 1026304), (422, 967936), (512, 797791), (608, 671824), (796, 513152), (844, 483968), (1216, 335912), (1592, 256576), (1688, 241984), (2432, 167956), (3184, 128288), (3376, 120992), (3781, 108032), (4009, 101888), (4864, 83978), (6368, 64144), (6752, 60496), (7562, 54016), (8018, 50944), (9728, 41989), (12736, 32072), (13504, 30248), (15124, 27008), (16036, 25472)]