4886980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{521}}^1$

素因数の和:604

約数の個数: 48

約数和(自身を含む): 11926656

約数和(自身を除く): 7039676

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 67, 70, 134, 140, 268, 335, 469, 521, 670, 938, 1042, 1340, 1876, 2084, 2345, 2605, 3647, 4690, 5210, 7294, 9380, 10420, 14588, 18235, 34907, 36470, 69814, 72940, 139628, 174535, 244349, 349070, 488698, 698140, 977396, 1221745, 2443490, 4886980]

約数ペア:

[(1, 4886980), (2, 2443490), (4, 1221745), (5, 977396), (7, 698140), (10, 488698), (14, 349070), (20, 244349), (28, 174535), (35, 139628), (67, 72940), (70, 69814), (134, 36470), (140, 34907), (268, 18235), (335, 14588), (469, 10420), (521, 9380), (670, 7294), (938, 5210), (1042, 4690), (1340, 3647), (1876, 2605), (2084, 2345)]