268977080

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{216917}}^1$

素因数の和:216959

約数の個数: 32

約数和(自身を含む): 624723840

約数和(自身を除く): 355746760

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 216917, 433834, 867668, 1084585, 1735336, 2169170, 4338340, 6724427, 8676680, 13448854, 26897708, 33622135, 53795416, 67244270, 134488540, 268977080]

約数ペア:

[(1, 268977080), (2, 134488540), (4, 67244270), (5, 53795416), (8, 33622135), (10, 26897708), (20, 13448854), (31, 8676680), (40, 6724427), (62, 4338340), (124, 2169170), (155, 1735336), (248, 1084585), (310, 867668), (620, 433834), (1240, 216917)]