137417840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{245389}}^1$

素因数の和:245409

約数の個数: 40

約数和(自身を含む): 365140320

約数和(自身を除く): 227722480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 245389, 490778, 981556, 1226945, 1717723, 1963112, 2453890, 3435446, 3926224, 4907780, 6870892, 8588615, 9815560, 13741784, 17177230, 19631120, 27483568, 34354460, 68708920, 137417840]

約数ペア:

[(1, 137417840), (2, 68708920), (4, 34354460), (5, 27483568), (7, 19631120), (8, 17177230), (10, 13741784), (14, 9815560), (16, 8588615), (20, 6870892), (28, 4907780), (35, 3926224), (40, 3435446), (56, 2453890), (70, 1963112), (80, 1717723), (112, 1226945), (140, 981556), (280, 490778), (560, 245389)]