66990400

素因数分解:

$2^6\times 5^2\times {\mathrm{149}}^1\times {\mathrm{281}}^1$

素因数の和:452

約数の個数: 84

約数和(自身を含む): 166535100

約数和(自身を除く): 99544700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 149, 160, 200, 281, 298, 320, 400, 562, 596, 745, 800, 1124, 1192, 1405, 1490, 1600, 2248, 2384, 2810, 2980, 3725, 4496, 4768, 5620, 5960, 7025, 7450, 8992, 9536, 11240, 11920, 14050, 14900, 17984, 22480, 23840, 28100, 29800, 41869, 44960, 47680, 56200, 59600, 83738, 89920, 112400, 119200, 167476, 209345, 224800, 238400, 334952, 418690, 449600, 669904, 837380, 1046725, 1339808, 1674760, 2093450, 2679616, 3349520, 4186900, 6699040, 8373800, 13398080, 16747600, 33495200, 66990400]

約数ペア:

[(1, 66990400), (2, 33495200), (4, 16747600), (5, 13398080), (8, 8373800), (10, 6699040), (16, 4186900), (20, 3349520), (25, 2679616), (32, 2093450), (40, 1674760), (50, 1339808), (64, 1046725), (80, 837380), (100, 669904), (149, 449600), (160, 418690), (200, 334952), (281, 238400), (298, 224800), (320, 209345), (400, 167476), (562, 119200), (596, 112400), (745, 89920), (800, 83738), (1124, 59600), (1192, 56200), (1405, 47680), (1490, 44960), (1600, 41869), (2248, 29800), (2384, 28100), (2810, 23840), (2980, 22480), (3725, 17984), (4496, 14900), (4768, 14050), (5620, 11920), (5960, 11240), (7025, 9536), (7450, 8992)]