1747991720

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{13669}}^1$

素因数の和:13842

約数の個数: 64

約数和(自身を含む): 4133808000

約数和(自身を除く): 2385816280

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 139, 184, 230, 278, 460, 556, 695, 920, 1112, 1390, 2780, 3197, 5560, 6394, 12788, 13669, 15985, 25576, 27338, 31970, 54676, 63940, 68345, 109352, 127880, 136690, 273380, 314387, 546760, 628774, 1257548, 1571935, 1899991, 2515096, 3143870, 3799982, 6287740, 7599964, 9499955, 12575480, 15199928, 18999910, 37999820, 43699793, 75999640, 87399586, 174799172, 218498965, 349598344, 436997930, 873995860, 1747991720]

約数ペア:

[(1, 1747991720), (2, 873995860), (4, 436997930), (5, 349598344), (8, 218498965), (10, 174799172), (20, 87399586), (23, 75999640), (40, 43699793), (46, 37999820), (92, 18999910), (115, 15199928), (139, 12575480), (184, 9499955), (230, 7599964), (278, 6287740), (460, 3799982), (556, 3143870), (695, 2515096), (920, 1899991), (1112, 1571935), (1390, 1257548), (2780, 628774), (3197, 546760), (5560, 314387), (6394, 273380), (12788, 136690), (13669, 127880), (15985, 109352), (25576, 68345), (27338, 63940), (31970, 54676)]