138007380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{328589}}^1$

素因数の和:328608

約数の個数: 48

約数和(自身を含む): 441624960

約数和(自身を除く): 303617580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 328589, 657178, 985767, 1314356, 1642945, 1971534, 2300123, 3285890, 3943068, 4600246, 4928835, 6571780, 6900369, 9200492, 9857670, 11500615, 13800738, 19715340, 23001230, 27601476, 34501845, 46002460, 69003690, 138007380]

約数ペア:

[(1, 138007380), (2, 69003690), (3, 46002460), (4, 34501845), (5, 27601476), (6, 23001230), (7, 19715340), (10, 13800738), (12, 11500615), (14, 9857670), (15, 9200492), (20, 6900369), (21, 6571780), (28, 4928835), (30, 4600246), (35, 3943068), (42, 3285890), (60, 2300123), (70, 1971534), (84, 1642945), (105, 1314356), (140, 985767), (210, 657178), (420, 328589)]