354280

素因数分解:

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

素因数の和:549

約数の個数: 32

約数和(自身を含む): 845640

約数和(自身を除く): 491360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 521, 680, 1042, 2084, 2605, 4168, 5210, 8857, 10420, 17714, 20840, 35428, 44285, 70856, 88570, 177140, 354280]

約数ペア:

[(1, 354280), (2, 177140), (4, 88570), (5, 70856), (8, 44285), (10, 35428), (17, 20840), (20, 17714), (34, 10420), (40, 8857), (68, 5210), (85, 4168), (136, 2605), (170, 2084), (340, 1042), (521, 680)]