209908000

素因数分解:

$2^5\times 5^3\times {\mathrm{97}}^1\times {\mathrm{541}}^1$

素因数の和:663

約数の個数: 96

約数和(自身を含む): 522024048

約数和(自身を除く): 312116048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 97, 100, 125, 160, 194, 200, 250, 388, 400, 485, 500, 541, 776, 800, 970, 1000, 1082, 1552, 1940, 2000, 2164, 2425, 2705, 3104, 3880, 4000, 4328, 4850, 5410, 7760, 8656, 9700, 10820, 12125, 13525, 15520, 17312, 19400, 21640, 24250, 27050, 38800, 43280, 48500, 52477, 54100, 67625, 77600, 86560, 97000, 104954, 108200, 135250, 194000, 209908, 216400, 262385, 270500, 388000, 419816, 432800, 524770, 541000, 839632, 1049540, 1082000, 1311925, 1679264, 2099080, 2164000, 2623850, 4198160, 5247700, 6559625, 8396320, 10495400, 13119250, 20990800, 26238500, 41981600, 52477000, 104954000, 209908000]

約数ペア:

[(1, 209908000), (2, 104954000), (4, 52477000), (5, 41981600), (8, 26238500), (10, 20990800), (16, 13119250), (20, 10495400), (25, 8396320), (32, 6559625), (40, 5247700), (50, 4198160), (80, 2623850), (97, 2164000), (100, 2099080), (125, 1679264), (160, 1311925), (194, 1082000), (200, 1049540), (250, 839632), (388, 541000), (400, 524770), (485, 432800), (500, 419816), (541, 388000), (776, 270500), (800, 262385), (970, 216400), (1000, 209908), (1082, 194000), (1552, 135250), (1940, 108200), (2000, 104954), (2164, 97000), (2425, 86560), (2705, 77600), (3104, 67625), (3880, 54100), (4000, 52477), (4328, 48500), (4850, 43280), (5410, 38800), (7760, 27050), (8656, 24250), (9700, 21640), (10820, 19400), (12125, 17312), (13525, 15520)]