187449640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{669463}}^1$

素因数の和:669481

約数の個数: 32

約数和(自身を含む): 482014080

約数和(自身を除く): 294564440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 669463, 1338926, 2677852, 3347315, 4686241, 5355704, 6694630, 9372482, 13389260, 18744964, 23431205, 26778520, 37489928, 46862410, 93724820, 187449640]

約数ペア:

[(1, 187449640), (2, 93724820), (4, 46862410), (5, 37489928), (7, 26778520), (8, 23431205), (10, 18744964), (14, 13389260), (20, 9372482), (28, 6694630), (35, 5355704), (40, 4686241), (56, 3347315), (70, 2677852), (140, 1338926), (280, 669463)]