28209800

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{8297}}^1$

素因数の和:8330

約数の個数: 48

約数和(自身を含む): 69454260

約数和(自身を除く): 41244460

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 68, 85, 100, 136, 170, 200, 340, 425, 680, 850, 1700, 3400, 8297, 16594, 33188, 41485, 66376, 82970, 141049, 165940, 207425, 282098, 331880, 414850, 564196, 705245, 829700, 1128392, 1410490, 1659400, 2820980, 3526225, 5641960, 7052450, 14104900, 28209800]

約数ペア:

[(1, 28209800), (2, 14104900), (4, 7052450), (5, 5641960), (8, 3526225), (10, 2820980), (17, 1659400), (20, 1410490), (25, 1128392), (34, 829700), (40, 705245), (50, 564196), (68, 414850), (85, 331880), (100, 282098), (136, 207425), (170, 165940), (200, 141049), (340, 82970), (425, 66376), (680, 41485), (850, 33188), (1700, 16594), (3400, 8297)]