708560

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{521}}^1$

素因数の和:551

約数の個数: 40

約数和(自身を含む): 1747656

約数和(自身を除く): 1039096

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 521, 680, 1042, 1360, 2084, 2605, 4168, 5210, 8336, 8857, 10420, 17714, 20840, 35428, 41680, 44285, 70856, 88570, 141712, 177140, 354280, 708560]

約数ペア:

[(1, 708560), (2, 354280), (4, 177140), (5, 141712), (8, 88570), (10, 70856), (16, 44285), (17, 41680), (20, 35428), (34, 20840), (40, 17714), (68, 10420), (80, 8857), (85, 8336), (136, 5210), (170, 4168), (272, 2605), (340, 2084), (521, 1360), (680, 1042)]