30439885

素因数分解:

$5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1$

素因数の和:301

約数の個数: 32

約数和(自身を含む): 43084800

約数和(自身を除く): 12644915

約数列:

[1, 5, 7, 35, 79, 101, 109, 395, 505, 545, 553, 707, 763, 2765, 3535, 3815, 7979, 8611, 11009, 39895, 43055, 55045, 55853, 60277, 77063, 279265, 301385, 385315, 869711, 4348555, 6087977, 30439885]

約数ペア:

[(1, 30439885), (5, 6087977), (7, 4348555), (35, 869711), (79, 385315), (101, 301385), (109, 279265), (395, 77063), (505, 60277), (545, 55853), (553, 55045), (707, 43055), (763, 39895), (2765, 11009), (3535, 8611), (3815, 7979)]