157428280

素因数分解:

$2^3\times 5^1\times {\mathrm{1193}}^1\times {\mathrm{3299}}^1$

素因数の和:4503

約数の個数: 32

約数和(自身を含む): 354618000

約数和(自身を除く): 197189720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1193, 2386, 3299, 4772, 5965, 6598, 9544, 11930, 13196, 16495, 23860, 26392, 32990, 47720, 65980, 131960, 3935707, 7871414, 15742828, 19678535, 31485656, 39357070, 78714140, 157428280]

約数ペア:

[(1, 157428280), (2, 78714140), (4, 39357070), (5, 31485656), (8, 19678535), (10, 15742828), (20, 7871414), (40, 3935707), (1193, 131960), (2386, 65980), (3299, 47720), (4772, 32990), (5965, 26392), (6598, 23860), (9544, 16495), (11930, 13196)]