77681450

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{20177}}^1$

素因数の和:20207

約数の個数: 48

約数和(自身を含む): 180149184

約数和(自身を除く): 102467734

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 25, 35, 50, 55, 70, 77, 110, 154, 175, 275, 350, 385, 550, 770, 1925, 3850, 20177, 40354, 100885, 141239, 201770, 221947, 282478, 443894, 504425, 706195, 1008850, 1109735, 1412390, 1553629, 2219470, 3107258, 3530975, 5548675, 7061950, 7768145, 11097350, 15536290, 38840725, 77681450]

約数ペア:

[(1, 77681450), (2, 38840725), (5, 15536290), (7, 11097350), (10, 7768145), (11, 7061950), (14, 5548675), (22, 3530975), (25, 3107258), (35, 2219470), (50, 1553629), (55, 1412390), (70, 1109735), (77, 1008850), (110, 706195), (154, 504425), (175, 443894), (275, 282478), (350, 221947), (385, 201770), (550, 141239), (770, 100885), (1925, 40354), (3850, 20177)]