4491830

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:213

約数の個数: 48

約数和(自身を含む): 9603360

約数和(自身を除く): 5111530

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 89, 98, 103, 178, 206, 245, 445, 490, 515, 623, 721, 890, 1030, 1246, 1442, 3115, 3605, 4361, 5047, 6230, 7210, 8722, 9167, 10094, 18334, 21805, 25235, 43610, 45835, 50470, 64169, 91670, 128338, 320845, 449183, 641690, 898366, 2245915, 4491830]

約数ペア:

[(1, 4491830), (2, 2245915), (5, 898366), (7, 641690), (10, 449183), (14, 320845), (35, 128338), (49, 91670), (70, 64169), (89, 50470), (98, 45835), (103, 43610), (178, 25235), (206, 21805), (245, 18334), (445, 10094), (490, 9167), (515, 8722), (623, 7210), (721, 6230), (890, 5047), (1030, 4361), (1246, 3605), (1442, 3115)]