390259765

素因数分解:

$5^1\times 7^2\times {\mathrm{383}}^1\times {\mathrm{4159}}^1$

素因数の和:4561

約数の個数: 24

約数和(自身を含む): 546324480

約数和(自身を除く): 156064715

約数列:

[1, 5, 7, 35, 49, 245, 383, 1915, 2681, 4159, 13405, 18767, 20795, 29113, 93835, 145565, 203791, 1018955, 1592897, 7964485, 11150279, 55751395, 78051953, 390259765]

約数ペア:

[(1, 390259765), (5, 78051953), (7, 55751395), (35, 11150279), (49, 7964485), (245, 1592897), (383, 1018955), (1915, 203791), (2681, 145565), (4159, 93835), (13405, 29113), (18767, 20795)]