203429240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{726533}}^1$

素因数の和:726551

約数の個数: 32

約数和(自身を含む): 523104480

約数和(自身を除く): 319675240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 726533, 1453066, 2906132, 3632665, 5085731, 5812264, 7265330, 10171462, 14530660, 20342924, 25428655, 29061320, 40685848, 50857310, 101714620, 203429240]

約数ペア:

[(1, 203429240), (2, 101714620), (4, 50857310), (5, 40685848), (7, 29061320), (8, 25428655), (10, 20342924), (14, 14530660), (20, 10171462), (28, 7265330), (35, 5812264), (40, 5085731), (56, 3632665), (70, 2906132), (140, 1453066), (280, 726533)]