283056440

素因数分解:

$2^3\times 5^1\times {\mathrm{977}}^1\times {\mathrm{7243}}^1$

素因数の和:8231

約数の個数: 32

約数和(自身を含む): 637616880

約数和(自身を除く): 354560440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 977, 1954, 3908, 4885, 7243, 7816, 9770, 14486, 19540, 28972, 36215, 39080, 57944, 72430, 144860, 289720, 7076411, 14152822, 28305644, 35382055, 56611288, 70764110, 141528220, 283056440]

約数ペア:

[(1, 283056440), (2, 141528220), (4, 70764110), (5, 56611288), (8, 35382055), (10, 28305644), (20, 14152822), (40, 7076411), (977, 289720), (1954, 144860), (3908, 72430), (4885, 57944), (7243, 39080), (7816, 36215), (9770, 28972), (14486, 19540)]