1877240

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{661}}^1$

素因数の和:743

約数の個数: 32

約数和(自身を含む): 4289760

約数和(自身を除く): 2412520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 661, 710, 1322, 1420, 2644, 2840, 3305, 5288, 6610, 13220, 26440, 46931, 93862, 187724, 234655, 375448, 469310, 938620, 1877240]

約数ペア:

[(1, 1877240), (2, 938620), (4, 469310), (5, 375448), (8, 234655), (10, 187724), (20, 93862), (40, 46931), (71, 26440), (142, 13220), (284, 6610), (355, 5288), (568, 3305), (661, 2840), (710, 2644), (1322, 1420)]