28258250

素因数分解:

$2^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:204

約数の個数: 64

約数和(自身を含む): 57451680

約数和(自身を除く): 29193430

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 61, 85, 109, 122, 125, 170, 218, 250, 305, 425, 545, 610, 850, 1037, 1090, 1525, 1853, 2074, 2125, 2725, 3050, 3706, 4250, 5185, 5450, 6649, 7625, 9265, 10370, 13298, 13625, 15250, 18530, 25925, 27250, 33245, 46325, 51850, 66490, 92650, 113033, 129625, 166225, 226066, 231625, 259250, 332450, 463250, 565165, 831125, 1130330, 1662250, 2825825, 5651650, 14129125, 28258250]

約数ペア:

[(1, 28258250), (2, 14129125), (5, 5651650), (10, 2825825), (17, 1662250), (25, 1130330), (34, 831125), (50, 565165), (61, 463250), (85, 332450), (109, 259250), (122, 231625), (125, 226066), (170, 166225), (218, 129625), (250, 113033), (305, 92650), (425, 66490), (545, 51850), (610, 46325), (850, 33245), (1037, 27250), (1090, 25925), (1525, 18530), (1853, 15250), (2074, 13625), (2125, 13298), (2725, 10370), (3050, 9265), (3706, 7625), (4250, 6649), (5185, 5450)]