8857000

素因数分解:

$2^3\times 5^3\times {\mathrm{17}}^1\times {\mathrm{521}}^1$

素因数の和:559

約数の個数: 64

約数和(自身を含む): 21986640

約数和(自身を除く): 13129640

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 68, 85, 100, 125, 136, 170, 200, 250, 340, 425, 500, 521, 680, 850, 1000, 1042, 1700, 2084, 2125, 2605, 3400, 4168, 4250, 5210, 8500, 8857, 10420, 13025, 17000, 17714, 20840, 26050, 35428, 44285, 52100, 65125, 70856, 88570, 104200, 130250, 177140, 221425, 260500, 354280, 442850, 521000, 885700, 1107125, 1771400, 2214250, 4428500, 8857000]

約数ペア:

[(1, 8857000), (2, 4428500), (4, 2214250), (5, 1771400), (8, 1107125), (10, 885700), (17, 521000), (20, 442850), (25, 354280), (34, 260500), (40, 221425), (50, 177140), (68, 130250), (85, 104200), (100, 88570), (125, 70856), (136, 65125), (170, 52100), (200, 44285), (250, 35428), (340, 26050), (425, 20840), (500, 17714), (521, 17000), (680, 13025), (850, 10420), (1000, 8857), (1042, 8500), (1700, 5210), (2084, 4250), (2125, 4168), (2605, 3400)]