1299800

素因数分解:

$2^3\times 5^2\times {\mathrm{67}}^1\times {\mathrm{97}}^1$

素因数の和:180

約数の個数: 48

約数和(自身を含む): 3098760

約数和(自身を除く): 1798960

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 67, 97, 100, 134, 194, 200, 268, 335, 388, 485, 536, 670, 776, 970, 1340, 1675, 1940, 2425, 2680, 3350, 3880, 4850, 6499, 6700, 9700, 12998, 13400, 19400, 25996, 32495, 51992, 64990, 129980, 162475, 259960, 324950, 649900, 1299800]

約数ペア:

[(1, 1299800), (2, 649900), (4, 324950), (5, 259960), (8, 162475), (10, 129980), (20, 64990), (25, 51992), (40, 32495), (50, 25996), (67, 19400), (97, 13400), (100, 12998), (134, 9700), (194, 6700), (200, 6499), (268, 4850), (335, 3880), (388, 3350), (485, 2680), (536, 2425), (670, 1940), (776, 1675), (970, 1340)]