2019202450

素因数分解:

$2^1\times 5^2\times {\mathrm{67}}^1\times {\mathrm{439}}^1\times {\mathrm{1373}}^1$

素因数の和:1891

約数の個数: 48

約数和(自身を含む): 3823237440

約数和(自身を除く): 1804034990

約数列:

[1, 2, 5, 10, 25, 50, 67, 134, 335, 439, 670, 878, 1373, 1675, 2195, 2746, 3350, 4390, 6865, 10975, 13730, 21950, 29413, 34325, 58826, 68650, 91991, 147065, 183982, 294130, 459955, 602747, 735325, 919910, 1205494, 1470650, 2299775, 3013735, 4599550, 6027470, 15068675, 30137350, 40384049, 80768098, 201920245, 403840490, 1009601225, 2019202450]

約数ペア:

[(1, 2019202450), (2, 1009601225), (5, 403840490), (10, 201920245), (25, 80768098), (50, 40384049), (67, 30137350), (134, 15068675), (335, 6027470), (439, 4599550), (670, 3013735), (878, 2299775), (1373, 1470650), (1675, 1205494), (2195, 919910), (2746, 735325), (3350, 602747), (4390, 459955), (6865, 294130), (10975, 183982), (13730, 147065), (21950, 91991), (29413, 68650), (34325, 58826)]