1377400

素因数分解:

$2^3\times 5^2\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:184

約数の個数: 48

約数和(自身を含む): 3281040

約数和(自身を除く): 1903640

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 71, 97, 100, 142, 194, 200, 284, 355, 388, 485, 568, 710, 776, 970, 1420, 1775, 1940, 2425, 2840, 3550, 3880, 4850, 6887, 7100, 9700, 13774, 14200, 19400, 27548, 34435, 55096, 68870, 137740, 172175, 275480, 344350, 688700, 1377400]

約数ペア:

[(1, 1377400), (2, 688700), (4, 344350), (5, 275480), (8, 172175), (10, 137740), (20, 68870), (25, 55096), (40, 34435), (50, 27548), (71, 19400), (97, 14200), (100, 13774), (142, 9700), (194, 7100), (200, 6887), (284, 4850), (355, 3880), (388, 3550), (485, 2840), (568, 2425), (710, 1940), (776, 1775), (970, 1420)]