1427774440

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1151431}}^1$

素因数の和:1151473

約数の個数: 32

約数和(自身を含む): 3316124160

約数和(自身を除く): 1888349720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 1151431, 2302862, 4605724, 5757155, 9211448, 11514310, 23028620, 35694361, 46057240, 71388722, 142777444, 178471805, 285554888, 356943610, 713887220, 1427774440]

約数ペア:

[(1, 1427774440), (2, 713887220), (4, 356943610), (5, 285554888), (8, 178471805), (10, 142777444), (20, 71388722), (31, 46057240), (40, 35694361), (62, 23028620), (124, 11514310), (155, 9211448), (248, 5757155), (310, 4605724), (620, 2302862), (1240, 1151431)]