340280

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{181}}^1$

素因数の和:239

約数の個数: 32

約数和(自身を含む): 786240

約数和(自身を除く): 445960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 181, 188, 235, 362, 376, 470, 724, 905, 940, 1448, 1810, 1880, 3620, 7240, 8507, 17014, 34028, 42535, 68056, 85070, 170140, 340280]

約数ペア:

[(1, 340280), (2, 170140), (4, 85070), (5, 68056), (8, 42535), (10, 34028), (20, 17014), (40, 8507), (47, 7240), (94, 3620), (181, 1880), (188, 1810), (235, 1448), (362, 940), (376, 905), (470, 724)]