142570490

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{431}}^1\times {\mathrm{1741}}^1$

素因数の和:2198

約数の個数: 32

約数和(自身を含む): 270915840

約数和(自身を除く): 128345350

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 431, 862, 1741, 2155, 3482, 4310, 8189, 8705, 16378, 17410, 33079, 40945, 66158, 81890, 165395, 330790, 750371, 1500742, 3751855, 7503710, 14257049, 28514098, 71285245, 142570490]

約数ペア:

[(1, 142570490), (2, 71285245), (5, 28514098), (10, 14257049), (19, 7503710), (38, 3751855), (95, 1500742), (190, 750371), (431, 330790), (862, 165395), (1741, 81890), (2155, 66158), (3482, 40945), (4310, 33079), (8189, 17410), (8705, 16378)]