197175280

素因数分解:

$2^4\times 5^1\times {\mathrm{211}}^1\times {\mathrm{11681}}^1$

素因数の和:11905

約数の個数: 40

約数和(自身を含む): 460644624

約数和(自身を除く): 263469344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 211, 422, 844, 1055, 1688, 2110, 3376, 4220, 8440, 11681, 16880, 23362, 46724, 58405, 93448, 116810, 186896, 233620, 467240, 934480, 2464691, 4929382, 9858764, 12323455, 19717528, 24646910, 39435056, 49293820, 98587640, 197175280]

約数ペア:

[(1, 197175280), (2, 98587640), (4, 49293820), (5, 39435056), (8, 24646910), (10, 19717528), (16, 12323455), (20, 9858764), (40, 4929382), (80, 2464691), (211, 934480), (422, 467240), (844, 233620), (1055, 186896), (1688, 116810), (2110, 93448), (3376, 58405), (4220, 46724), (8440, 23362), (11681, 16880)]