870702980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2467}}^1\times {\mathrm{2521}}^1$

素因数の和:5004

約数の個数: 48

約数和(自身を含む): 2091363456

約数和(自身を除く): 1220660476

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2467, 2521, 4934, 5042, 9868, 10084, 12335, 12605, 17269, 17647, 24670, 25210, 34538, 35294, 49340, 50420, 69076, 70588, 86345, 88235, 172690, 176470, 345380, 352940, 6219307, 12438614, 24877228, 31096535, 43535149, 62193070, 87070298, 124386140, 174140596, 217675745, 435351490, 870702980]

約数ペア:

[(1, 870702980), (2, 435351490), (4, 217675745), (5, 174140596), (7, 124386140), (10, 87070298), (14, 62193070), (20, 43535149), (28, 31096535), (35, 24877228), (70, 12438614), (140, 6219307), (2467, 352940), (2521, 345380), (4934, 176470), (5042, 172690), (9868, 88235), (10084, 86345), (12335, 70588), (12605, 69076), (17269, 50420), (17647, 49340), (24670, 35294), (25210, 34538)]