64653820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41983}}^1$

素因数の和:42010

約数の個数: 48

約数和(自身を含む): 169279488

約数和(自身を除く): 104625668

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 41983, 83966, 167932, 209915, 293881, 419830, 461813, 587762, 839660, 923626, 1175524, 1469405, 1847252, 2309065, 2938810, 3232691, 4618130, 5877620, 6465382, 9236260, 12930764, 16163455, 32326910, 64653820]

約数ペア:

[(1, 64653820), (2, 32326910), (4, 16163455), (5, 12930764), (7, 9236260), (10, 6465382), (11, 5877620), (14, 4618130), (20, 3232691), (22, 2938810), (28, 2309065), (35, 1847252), (44, 1469405), (55, 1175524), (70, 923626), (77, 839660), (110, 587762), (140, 461813), (154, 419830), (220, 293881), (308, 209915), (385, 167932), (770, 83966), (1540, 41983)]