27797180

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{311}}^1$

素因数の和:470

約数の個数: 48

約数和(自身を含む): 60540480

約数和(自身を除く): 32743300

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 109, 164, 205, 218, 311, 410, 436, 545, 622, 820, 1090, 1244, 1555, 2180, 3110, 4469, 6220, 8938, 12751, 17876, 22345, 25502, 33899, 44690, 51004, 63755, 67798, 89380, 127510, 135596, 169495, 255020, 338990, 677980, 1389859, 2779718, 5559436, 6949295, 13898590, 27797180]

約数ペア:

[(1, 27797180), (2, 13898590), (4, 6949295), (5, 5559436), (10, 2779718), (20, 1389859), (41, 677980), (82, 338990), (109, 255020), (164, 169495), (205, 135596), (218, 127510), (311, 89380), (410, 67798), (436, 63755), (545, 51004), (622, 44690), (820, 33899), (1090, 25502), (1244, 22345), (1555, 17876), (2180, 12751), (3110, 8938), (4469, 6220)]