217819840

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{97241}}^1$

素因数の和:97265

約数の個数: 56

約数和(自身を含む): 592787232

約数和(自身を除く): 374967392

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 97241, 194482, 388964, 486205, 680687, 777928, 972410, 1361374, 1555856, 1944820, 2722748, 3111712, 3403435, 3889640, 5445496, 6223424, 6806870, 7779280, 10890992, 13613740, 15558560, 21781984, 27227480, 31117120, 43563968, 54454960, 108909920, 217819840]

約数ペア:

[(1, 217819840), (2, 108909920), (4, 54454960), (5, 43563968), (7, 31117120), (8, 27227480), (10, 21781984), (14, 15558560), (16, 13613740), (20, 10890992), (28, 7779280), (32, 6806870), (35, 6223424), (40, 5445496), (56, 3889640), (64, 3403435), (70, 3111712), (80, 2722748), (112, 1944820), (140, 1555856), (160, 1361374), (224, 972410), (280, 777928), (320, 680687), (448, 486205), (560, 388964), (1120, 194482), (2240, 97241)]