73528780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{727}}^1$

素因数の和:1138

約数の個数: 48

約数和(自身を含む): 166944960

約数和(自身を除く): 93416180

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 389, 727, 778, 1454, 1556, 1945, 2908, 3635, 3890, 5057, 7270, 7780, 9451, 10114, 14540, 18902, 20228, 25285, 37804, 47255, 50570, 94510, 101140, 189020, 282803, 565606, 1131212, 1414015, 2828030, 3676439, 5656060, 7352878, 14705756, 18382195, 36764390, 73528780]

約数ペア:

[(1, 73528780), (2, 36764390), (4, 18382195), (5, 14705756), (10, 7352878), (13, 5656060), (20, 3676439), (26, 2828030), (52, 1414015), (65, 1131212), (130, 565606), (260, 282803), (389, 189020), (727, 101140), (778, 94510), (1454, 50570), (1556, 47255), (1945, 37804), (2908, 25285), (3635, 20228), (3890, 18902), (5057, 14540), (7270, 10114), (7780, 9451)]