3545020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{491}}^1$

素因数の和:538

約数の個数: 36

約数和(自身を含む): 7872984

約数和(自身を除く): 4327964

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 491, 722, 982, 1444, 1805, 1964, 2455, 3610, 4910, 7220, 9329, 9820, 18658, 37316, 46645, 93290, 177251, 186580, 354502, 709004, 886255, 1772510, 3545020]

約数ペア:

[(1, 3545020), (2, 1772510), (4, 886255), (5, 709004), (10, 354502), (19, 186580), (20, 177251), (38, 93290), (76, 46645), (95, 37316), (190, 18658), (361, 9820), (380, 9329), (491, 7220), (722, 4910), (982, 3610), (1444, 2455), (1805, 1964)]