8983660

素因数分解:

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

素因数の和:215

約数の個数: 72

約数和(自身を含む): 22407840

約数和(自身を除く): 13424180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 89, 98, 103, 140, 178, 196, 206, 245, 356, 412, 445, 490, 515, 623, 721, 890, 980, 1030, 1246, 1442, 1780, 2060, 2492, 2884, 3115, 3605, 4361, 5047, 6230, 7210, 8722, 9167, 10094, 12460, 14420, 17444, 18334, 20188, 21805, 25235, 36668, 43610, 45835, 50470, 64169, 87220, 91670, 100940, 128338, 183340, 256676, 320845, 449183, 641690, 898366, 1283380, 1796732, 2245915, 4491830, 8983660]

約数ペア:

[(1, 8983660), (2, 4491830), (4, 2245915), (5, 1796732), (7, 1283380), (10, 898366), (14, 641690), (20, 449183), (28, 320845), (35, 256676), (49, 183340), (70, 128338), (89, 100940), (98, 91670), (103, 87220), (140, 64169), (178, 50470), (196, 45835), (206, 43610), (245, 36668), (356, 25235), (412, 21805), (445, 20188), (490, 18334), (515, 17444), (623, 14420), (721, 12460), (890, 10094), (980, 9167), (1030, 8722), (1246, 7210), (1442, 6230), (1780, 5047), (2060, 4361), (2492, 3605), (2884, 3115)]