405977440

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{919}}^1$

素因数の和:1196

約数の個数: 96

約数和(自身を含む): 1051626240

約数和(自身を除く): 645648800

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 251, 352, 440, 502, 880, 919, 1004, 1255, 1760, 1838, 2008, 2510, 2761, 3676, 4016, 4595, 5020, 5522, 7352, 8032, 9190, 10040, 10109, 11044, 13805, 14704, 18380, 20080, 20218, 22088, 27610, 29408, 36760, 40160, 40436, 44176, 50545, 55220, 73520, 80872, 88352, 101090, 110440, 147040, 161744, 202180, 220880, 230669, 323488, 404360, 441760, 461338, 808720, 922676, 1153345, 1617440, 1845352, 2306690, 2537359, 3690704, 4613380, 5074718, 7381408, 9226760, 10149436, 12686795, 18453520, 20298872, 25373590, 36907040, 40597744, 50747180, 81195488, 101494360, 202988720, 405977440]

約数ペア:

[(1, 405977440), (2, 202988720), (4, 101494360), (5, 81195488), (8, 50747180), (10, 40597744), (11, 36907040), (16, 25373590), (20, 20298872), (22, 18453520), (32, 12686795), (40, 10149436), (44, 9226760), (55, 7381408), (80, 5074718), (88, 4613380), (110, 3690704), (160, 2537359), (176, 2306690), (220, 1845352), (251, 1617440), (352, 1153345), (440, 922676), (502, 808720), (880, 461338), (919, 441760), (1004, 404360), (1255, 323488), (1760, 230669), (1838, 220880), (2008, 202180), (2510, 161744), (2761, 147040), (3676, 110440), (4016, 101090), (4595, 88352), (5020, 80872), (5522, 73520), (7352, 55220), (8032, 50545), (9190, 44176), (10040, 40436), (10109, 40160), (11044, 36760), (13805, 29408), (14704, 27610), (18380, 22088), (20080, 20218)]