139770440

素因数分解:

$2^3\times 5^1\times {\mathrm{463}}^1\times {\mathrm{7547}}^1$

素因数の和:8021

約数の個数: 32

約数和(自身を含む): 315204480

約数和(自身を除く): 175434040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 463, 926, 1852, 2315, 3704, 4630, 7547, 9260, 15094, 18520, 30188, 37735, 60376, 75470, 150940, 301880, 3494261, 6988522, 13977044, 17471305, 27954088, 34942610, 69885220, 139770440]

約数ペア:

[(1, 139770440), (2, 69885220), (4, 34942610), (5, 27954088), (8, 17471305), (10, 13977044), (20, 6988522), (40, 3494261), (463, 301880), (926, 150940), (1852, 75470), (2315, 60376), (3704, 37735), (4630, 30188), (7547, 18520), (9260, 15094)]