8289820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{769}}^1$

素因数の和:803

約数の個数: 72

約数和(自身を含む): 22120560

約数和(自身を除く): 13830740

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 769, 770, 980, 1078, 1538, 1540, 2156, 2695, 3076, 3845, 5383, 5390, 7690, 8459, 10766, 10780, 15380, 16918, 21532, 26915, 33836, 37681, 42295, 53830, 59213, 75362, 84590, 107660, 118426, 150724, 169180, 188405, 236852, 296065, 376810, 414491, 592130, 753620, 828982, 1184260, 1657964, 2072455, 4144910, 8289820]

約数ペア:

[(1, 8289820), (2, 4144910), (4, 2072455), (5, 1657964), (7, 1184260), (10, 828982), (11, 753620), (14, 592130), (20, 414491), (22, 376810), (28, 296065), (35, 236852), (44, 188405), (49, 169180), (55, 150724), (70, 118426), (77, 107660), (98, 84590), (110, 75362), (140, 59213), (154, 53830), (196, 42295), (220, 37681), (245, 33836), (308, 26915), (385, 21532), (490, 16918), (539, 15380), (769, 10780), (770, 10766), (980, 8459), (1078, 7690), (1538, 5390), (1540, 5383), (2156, 3845), (2695, 3076)]