6491660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{521}}^1$

素因数の和:626

約数の個数: 48

約数和(自身を含む): 15785280

約数和(自身を除く): 9293620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 356, 445, 521, 623, 890, 1042, 1246, 1780, 2084, 2492, 2605, 3115, 3647, 5210, 6230, 7294, 10420, 12460, 14588, 18235, 36470, 46369, 72940, 92738, 185476, 231845, 324583, 463690, 649166, 927380, 1298332, 1622915, 3245830, 6491660]

約数ペア:

[(1, 6491660), (2, 3245830), (4, 1622915), (5, 1298332), (7, 927380), (10, 649166), (14, 463690), (20, 324583), (28, 231845), (35, 185476), (70, 92738), (89, 72940), (140, 46369), (178, 36470), (356, 18235), (445, 14588), (521, 12460), (623, 10420), (890, 7294), (1042, 6230), (1246, 5210), (1780, 3647), (2084, 3115), (2492, 2605)]