126546400

素因数分解:

$2^5\times 5^2\times {\mathrm{317}}^1\times {\mathrm{499}}^1$

素因数の和:836

約数の個数: 72

約数和(自身を含む): 310527000

約数和(自身を除く): 183980600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 317, 400, 499, 634, 800, 998, 1268, 1585, 1996, 2495, 2536, 3170, 3992, 4990, 5072, 6340, 7925, 7984, 9980, 10144, 12475, 12680, 15850, 15968, 19960, 24950, 25360, 31700, 39920, 49900, 50720, 63400, 79840, 99800, 126800, 158183, 199600, 253600, 316366, 399200, 632732, 790915, 1265464, 1581830, 2530928, 3163660, 3954575, 5061856, 6327320, 7909150, 12654640, 15818300, 25309280, 31636600, 63273200, 126546400]

約数ペア:

[(1, 126546400), (2, 63273200), (4, 31636600), (5, 25309280), (8, 15818300), (10, 12654640), (16, 7909150), (20, 6327320), (25, 5061856), (32, 3954575), (40, 3163660), (50, 2530928), (80, 1581830), (100, 1265464), (160, 790915), (200, 632732), (317, 399200), (400, 316366), (499, 253600), (634, 199600), (800, 158183), (998, 126800), (1268, 99800), (1585, 79840), (1996, 63400), (2495, 50720), (2536, 49900), (3170, 39920), (3992, 31700), (4990, 25360), (5072, 24950), (6340, 19960), (7925, 15968), (7984, 15850), (9980, 12680), (10144, 12475)]