255742060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{79423}}^1$

素因数の和:79462

約数の個数: 48

約数和(自身を含む): 640475136

約数和(自身を除く): 384733076

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 79423, 158846, 317692, 397115, 555961, 794230, 1111922, 1588460, 1826729, 2223844, 2779805, 3653458, 5559610, 7306916, 9133645, 11119220, 12787103, 18267290, 25574206, 36534580, 51148412, 63935515, 127871030, 255742060]

約数ペア:

[(1, 255742060), (2, 127871030), (4, 63935515), (5, 51148412), (7, 36534580), (10, 25574206), (14, 18267290), (20, 12787103), (23, 11119220), (28, 9133645), (35, 7306916), (46, 5559610), (70, 3653458), (92, 2779805), (115, 2223844), (140, 1826729), (161, 1588460), (230, 1111922), (322, 794230), (460, 555961), (644, 397115), (805, 317692), (1610, 158846), (3220, 79423)]