201663860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{449}}^1\times {\mathrm{1321}}^1$

素因数の和:1796

約数の個数: 48

約数和(自身を含む): 449744400

約数和(自身を除く): 248080540

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 449, 898, 1321, 1796, 2245, 2642, 4490, 5284, 6605, 7633, 8980, 13210, 15266, 22457, 26420, 30532, 38165, 44914, 76330, 89828, 112285, 152660, 224570, 449140, 593129, 1186258, 2372516, 2965645, 5931290, 10083193, 11862580, 20166386, 40332772, 50415965, 100831930, 201663860]

約数ペア:

[(1, 201663860), (2, 100831930), (4, 50415965), (5, 40332772), (10, 20166386), (17, 11862580), (20, 10083193), (34, 5931290), (68, 2965645), (85, 2372516), (170, 1186258), (340, 593129), (449, 449140), (898, 224570), (1321, 152660), (1796, 112285), (2245, 89828), (2642, 76330), (4490, 44914), (5284, 38165), (6605, 30532), (7633, 26420), (8980, 22457), (13210, 15266)]