393099520

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{27919}}^1$

素因数の和:27951

約数の個数: 72

約数和(自身を含む): 1027232640

約数和(自身を除く): 634133120

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 640, 704, 880, 1280, 1408, 1760, 2816, 3520, 7040, 14080, 27919, 55838, 111676, 139595, 223352, 279190, 307109, 446704, 558380, 614218, 893408, 1116760, 1228436, 1535545, 1786816, 2233520, 2456872, 3071090, 3573632, 4467040, 4913744, 6142180, 7147264, 8934080, 9827488, 12284360, 17868160, 19654976, 24568720, 35736320, 39309952, 49137440, 78619904, 98274880, 196549760, 393099520]

約数ペア:

[(1, 393099520), (2, 196549760), (4, 98274880), (5, 78619904), (8, 49137440), (10, 39309952), (11, 35736320), (16, 24568720), (20, 19654976), (22, 17868160), (32, 12284360), (40, 9827488), (44, 8934080), (55, 7147264), (64, 6142180), (80, 4913744), (88, 4467040), (110, 3573632), (128, 3071090), (160, 2456872), (176, 2233520), (220, 1786816), (256, 1535545), (320, 1228436), (352, 1116760), (440, 893408), (640, 614218), (704, 558380), (880, 446704), (1280, 307109), (1408, 279190), (1760, 223352), (2816, 139595), (3520, 111676), (7040, 55838), (14080, 27919)]