705427820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{359}}^1\times {\mathrm{5171}}^1$

素因数の和:5558

約数の個数: 48

約数和(自身を含む): 1564012800

約数和(自身を除く): 858584980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 359, 380, 718, 1436, 1795, 3590, 5171, 6821, 7180, 10342, 13642, 20684, 25855, 27284, 34105, 51710, 68210, 98249, 103420, 136420, 196498, 392996, 491245, 982490, 1856389, 1964980, 3712778, 7425556, 9281945, 18563890, 35271391, 37127780, 70542782, 141085564, 176356955, 352713910, 705427820]

約数ペア:

[(1, 705427820), (2, 352713910), (4, 176356955), (5, 141085564), (10, 70542782), (19, 37127780), (20, 35271391), (38, 18563890), (76, 9281945), (95, 7425556), (190, 3712778), (359, 1964980), (380, 1856389), (718, 982490), (1436, 491245), (1795, 392996), (3590, 196498), (5171, 136420), (6821, 103420), (7180, 98249), (10342, 68210), (13642, 51710), (20684, 34105), (25855, 27284)]