29278840

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{271}}^1$

素因数の和:392

約数の個数: 64

約数和(自身を含む): 68837760

約数和(自身を除く): 39558920

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 73, 74, 146, 148, 185, 271, 292, 296, 365, 370, 542, 584, 730, 740, 1084, 1355, 1460, 1480, 2168, 2701, 2710, 2920, 5402, 5420, 10027, 10804, 10840, 13505, 19783, 20054, 21608, 27010, 39566, 40108, 50135, 54020, 79132, 80216, 98915, 100270, 108040, 158264, 197830, 200540, 395660, 401080, 731971, 791320, 1463942, 2927884, 3659855, 5855768, 7319710, 14639420, 29278840]

約数ペア:

[(1, 29278840), (2, 14639420), (4, 7319710), (5, 5855768), (8, 3659855), (10, 2927884), (20, 1463942), (37, 791320), (40, 731971), (73, 401080), (74, 395660), (146, 200540), (148, 197830), (185, 158264), (271, 108040), (292, 100270), (296, 98915), (365, 80216), (370, 79132), (542, 54020), (584, 50135), (730, 40108), (740, 39566), (1084, 27010), (1355, 21608), (1460, 20054), (1480, 19783), (2168, 13505), (2701, 10840), (2710, 10804), (2920, 10027), (5402, 5420)]