42748580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{181}}^1\times {\mathrm{241}}^1$

素因数の和:445

約数の個数: 72

約数和(自身を含む): 105441336

約数和(自身を除く): 62692756

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 181, 196, 241, 245, 362, 482, 490, 724, 905, 964, 980, 1205, 1267, 1687, 1810, 2410, 2534, 3374, 3620, 4820, 5068, 6335, 6748, 8435, 8869, 11809, 12670, 16870, 17738, 23618, 25340, 33740, 35476, 43621, 44345, 47236, 59045, 87242, 88690, 118090, 174484, 177380, 218105, 236180, 305347, 436210, 610694, 872420, 1221388, 1526735, 2137429, 3053470, 4274858, 6106940, 8549716, 10687145, 21374290, 42748580]

約数ペア:

[(1, 42748580), (2, 21374290), (4, 10687145), (5, 8549716), (7, 6106940), (10, 4274858), (14, 3053470), (20, 2137429), (28, 1526735), (35, 1221388), (49, 872420), (70, 610694), (98, 436210), (140, 305347), (181, 236180), (196, 218105), (241, 177380), (245, 174484), (362, 118090), (482, 88690), (490, 87242), (724, 59045), (905, 47236), (964, 44345), (980, 43621), (1205, 35476), (1267, 33740), (1687, 25340), (1810, 23618), (2410, 17738), (2534, 16870), (3374, 12670), (3620, 11809), (4820, 8869), (5068, 8435), (6335, 6748)]