7987180

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{293}}^1$

素因数の和:378

約数の個数: 48

約数和(自身を含む): 17781120

約数和(自身を除く): 9793940

約数列:

[1, 2, 4, 5, 10, 20, 29, 47, 58, 94, 116, 145, 188, 235, 290, 293, 470, 580, 586, 940, 1172, 1363, 1465, 2726, 2930, 5452, 5860, 6815, 8497, 13630, 13771, 16994, 27260, 27542, 33988, 42485, 55084, 68855, 84970, 137710, 169940, 275420, 399359, 798718, 1597436, 1996795, 3993590, 7987180]

約数ペア:

[(1, 7987180), (2, 3993590), (4, 1996795), (5, 1597436), (10, 798718), (20, 399359), (29, 275420), (47, 169940), (58, 137710), (94, 84970), (116, 68855), (145, 55084), (188, 42485), (235, 33988), (290, 27542), (293, 27260), (470, 16994), (580, 13771), (586, 13630), (940, 8497), (1172, 6815), (1363, 5860), (1465, 5452), (2726, 2930)]