40448940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{499}}^1$

素因数の和:711

約数の個数: 96

約数和(自身を含む): 130368000

約数和(自身を除く): 89919060

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 193, 210, 386, 420, 499, 579, 772, 965, 998, 1158, 1351, 1497, 1930, 1996, 2316, 2495, 2702, 2895, 2994, 3493, 3860, 4053, 4990, 5404, 5790, 5988, 6755, 6986, 7485, 8106, 9980, 10479, 11580, 13510, 13972, 14970, 16212, 17465, 20265, 20958, 27020, 29940, 34930, 40530, 41916, 52395, 69860, 81060, 96307, 104790, 192614, 209580, 288921, 385228, 481535, 577842, 674149, 963070, 1155684, 1348298, 1444605, 1926140, 2022447, 2696596, 2889210, 3370745, 4044894, 5778420, 6741490, 8089788, 10112235, 13482980, 20224470, 40448940]

約数ペア:

[(1, 40448940), (2, 20224470), (3, 13482980), (4, 10112235), (5, 8089788), (6, 6741490), (7, 5778420), (10, 4044894), (12, 3370745), (14, 2889210), (15, 2696596), (20, 2022447), (21, 1926140), (28, 1444605), (30, 1348298), (35, 1155684), (42, 963070), (60, 674149), (70, 577842), (84, 481535), (105, 385228), (140, 288921), (193, 209580), (210, 192614), (386, 104790), (420, 96307), (499, 81060), (579, 69860), (772, 52395), (965, 41916), (998, 40530), (1158, 34930), (1351, 29940), (1497, 27020), (1930, 20958), (1996, 20265), (2316, 17465), (2495, 16212), (2702, 14970), (2895, 13972), (2994, 13510), (3493, 11580), (3860, 10479), (4053, 9980), (4990, 8106), (5404, 7485), (5790, 6986), (5988, 6755)]