490941400

素因数分解:

$2^3\times 5^2\times {\mathrm{991}}^1\times {\mathrm{2477}}^1$

素因数の和:3484

約数の個数: 48

約数和(自身を含む): 1143051840

約数和(自身を除く): 652110440

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 991, 1982, 2477, 3964, 4954, 4955, 7928, 9908, 9910, 12385, 19816, 19820, 24770, 24775, 39640, 49540, 49550, 61925, 99080, 99100, 123850, 198200, 247700, 495400, 2454707, 4909414, 9818828, 12273535, 19637656, 24547070, 49094140, 61367675, 98188280, 122735350, 245470700, 490941400]

約数ペア:

[(1, 490941400), (2, 245470700), (4, 122735350), (5, 98188280), (8, 61367675), (10, 49094140), (20, 24547070), (25, 19637656), (40, 12273535), (50, 9818828), (100, 4909414), (200, 2454707), (991, 495400), (1982, 247700), (2477, 198200), (3964, 123850), (4954, 99100), (4955, 99080), (7928, 61925), (9908, 49550), (9910, 49540), (12385, 39640), (19816, 24775), (19820, 24770)]