30553880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{109121}}^1$

素因数の和:109139

約数の個数: 32

約数和(自身を含む): 78567840

約数和(自身を除く): 48013960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 109121, 218242, 436484, 545605, 763847, 872968, 1091210, 1527694, 2182420, 3055388, 3819235, 4364840, 6110776, 7638470, 15276940, 30553880]

約数ペア:

[(1, 30553880), (2, 15276940), (4, 7638470), (5, 6110776), (7, 4364840), (8, 3819235), (10, 3055388), (14, 2182420), (20, 1527694), (28, 1091210), (35, 872968), (40, 763847), (56, 545605), (70, 436484), (140, 218242), (280, 109121)]