4428500

素因数分解:

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

素因数の和:557

約数の個数: 48

約数和(自身を含む): 10260432

約数和(自身を除く): 5831932

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 125, 170, 250, 340, 425, 500, 521, 850, 1042, 1700, 2084, 2125, 2605, 4250, 5210, 8500, 8857, 10420, 13025, 17714, 26050, 35428, 44285, 52100, 65125, 88570, 130250, 177140, 221425, 260500, 442850, 885700, 1107125, 2214250, 4428500]

約数ペア:

[(1, 4428500), (2, 2214250), (4, 1107125), (5, 885700), (10, 442850), (17, 260500), (20, 221425), (25, 177140), (34, 130250), (50, 88570), (68, 65125), (85, 52100), (100, 44285), (125, 35428), (170, 26050), (250, 17714), (340, 13025), (425, 10420), (500, 8857), (521, 8500), (850, 5210), (1042, 4250), (1700, 2605), (2084, 2125)]