6445780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{353}}^1$

素因数の和:456

約数の個数: 48

約数和(自身を含む): 14986944

約数和(自身を除く): 8541164

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 83, 110, 166, 220, 332, 353, 415, 706, 830, 913, 1412, 1660, 1765, 1826, 3530, 3652, 3883, 4565, 7060, 7766, 9130, 15532, 18260, 19415, 29299, 38830, 58598, 77660, 117196, 146495, 292990, 322289, 585980, 644578, 1289156, 1611445, 3222890, 6445780]

約数ペア:

[(1, 6445780), (2, 3222890), (4, 1611445), (5, 1289156), (10, 644578), (11, 585980), (20, 322289), (22, 292990), (44, 146495), (55, 117196), (83, 77660), (110, 58598), (166, 38830), (220, 29299), (332, 19415), (353, 18260), (415, 15532), (706, 9130), (830, 7766), (913, 7060), (1412, 4565), (1660, 3883), (1765, 3652), (1826, 3530)]