31334380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{20347}}^1$

素因数の和:20374

約数の個数: 48

約数和(自身を含む): 82043136

約数和(自身を除く): 50708756

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, 20347, 40694, 81388, 101735, 142429, 203470, 223817, 284858, 406940, 447634, 569716, 712145, 895268, 1119085, 1424290, 1566719, 2238170, 2848580, 3133438, 4476340, 6266876, 7833595, 15667190, 31334380]

約数ペア:

[(1, 31334380), (2, 15667190), (4, 7833595), (5, 6266876), (7, 4476340), (10, 3133438), (11, 2848580), (14, 2238170), (20, 1566719), (22, 1424290), (28, 1119085), (35, 895268), (44, 712145), (55, 569716), (70, 447634), (77, 406940), (110, 284858), (140, 223817), (154, 203470), (220, 142429), (308, 101735), (385, 81388), (770, 40694), (1540, 20347)]