137270320

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{401}}^1$

素因数の和:814

約数の個数: 80

約数和(自身を含む): 349932960

約数和(自身を除く): 212662640

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 389, 401, 440, 778, 802, 880, 1556, 1604, 1945, 2005, 3112, 3208, 3890, 4010, 4279, 4411, 6224, 6416, 7780, 8020, 8558, 8822, 15560, 16040, 17116, 17644, 21395, 22055, 31120, 32080, 34232, 35288, 42790, 44110, 68464, 70576, 85580, 88220, 155989, 171160, 176440, 311978, 342320, 352880, 623956, 779945, 1247912, 1559890, 1715879, 2495824, 3119780, 3431758, 6239560, 6863516, 8579395, 12479120, 13727032, 17158790, 27454064, 34317580, 68635160, 137270320]

約数ペア:

[(1, 137270320), (2, 68635160), (4, 34317580), (5, 27454064), (8, 17158790), (10, 13727032), (11, 12479120), (16, 8579395), (20, 6863516), (22, 6239560), (40, 3431758), (44, 3119780), (55, 2495824), (80, 1715879), (88, 1559890), (110, 1247912), (176, 779945), (220, 623956), (389, 352880), (401, 342320), (440, 311978), (778, 176440), (802, 171160), (880, 155989), (1556, 88220), (1604, 85580), (1945, 70576), (2005, 68464), (3112, 44110), (3208, 42790), (3890, 35288), (4010, 34232), (4279, 32080), (4411, 31120), (6224, 22055), (6416, 21395), (7780, 17644), (8020, 17116), (8558, 16040), (8822, 15560)]