309542015

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{167}}^1\times {\mathrm{179}}^1$

素因数の和:479

約数の個数: 32

約数和(自身を含む): 399168000

約数和(自身を除く): 89625985

約数列:

[1, 5, 19, 95, 109, 167, 179, 545, 835, 895, 2071, 3173, 3401, 10355, 15865, 17005, 18203, 19511, 29893, 91015, 97555, 149465, 345857, 370709, 567967, 1729285, 1853545, 2839835, 3258337, 16291685, 61908403, 309542015]

約数ペア:

[(1, 309542015), (5, 61908403), (19, 16291685), (95, 3258337), (109, 2839835), (167, 1853545), (179, 1729285), (545, 567967), (835, 370709), (895, 345857), (2071, 149465), (3173, 97555), (3401, 91015), (10355, 29893), (15865, 19511), (17005, 18203)]