1771400

素因数分解:

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

素因数の和:554

約数の個数: 48

約数和(自身を含む): 4369140

約数和(自身を除く): 2597740

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 68, 85, 100, 136, 170, 200, 340, 425, 521, 680, 850, 1042, 1700, 2084, 2605, 3400, 4168, 5210, 8857, 10420, 13025, 17714, 20840, 26050, 35428, 44285, 52100, 70856, 88570, 104200, 177140, 221425, 354280, 442850, 885700, 1771400]

約数ペア:

[(1, 1771400), (2, 885700), (4, 442850), (5, 354280), (8, 221425), (10, 177140), (17, 104200), (20, 88570), (25, 70856), (34, 52100), (40, 44285), (50, 35428), (68, 26050), (85, 20840), (100, 17714), (136, 13025), (170, 10420), (200, 8857), (340, 5210), (425, 4168), (521, 3400), (680, 2605), (850, 2084), (1042, 1700)]