157210820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{5651}}^1$

素因数の和:5780

約数の個数: 48

約数和(自身を含む): 358924608

約数和(自身を除く): 201713788

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 107, 130, 214, 260, 428, 535, 1070, 1391, 2140, 2782, 5564, 5651, 6955, 11302, 13910, 22604, 27820, 28255, 56510, 73463, 113020, 146926, 293852, 367315, 604657, 734630, 1209314, 1469260, 2418628, 3023285, 6046570, 7860541, 12093140, 15721082, 31442164, 39302705, 78605410, 157210820]

約数ペア:

[(1, 157210820), (2, 78605410), (4, 39302705), (5, 31442164), (10, 15721082), (13, 12093140), (20, 7860541), (26, 6046570), (52, 3023285), (65, 2418628), (107, 1469260), (130, 1209314), (214, 734630), (260, 604657), (428, 367315), (535, 293852), (1070, 146926), (1391, 113020), (2140, 73463), (2782, 56510), (5564, 28255), (5651, 27820), (6955, 22604), (11302, 13910)]