1680452980

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{457}}^1\times {\mathrm{3469}}^1$

素因数の和:3988

約数の個数: 48

約数和(自身を含む): 3604441680

約数和(自身を除く): 1923988700

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 457, 530, 914, 1060, 1828, 2285, 3469, 4570, 6938, 9140, 13876, 17345, 24221, 34690, 48442, 69380, 96884, 121105, 183857, 242210, 367714, 484420, 735428, 919285, 1585333, 1838570, 3170666, 3677140, 6341332, 7926665, 15853330, 31706660, 84022649, 168045298, 336090596, 420113245, 840226490, 1680452980]

約数ペア:

[(1, 1680452980), (2, 840226490), (4, 420113245), (5, 336090596), (10, 168045298), (20, 84022649), (53, 31706660), (106, 15853330), (212, 7926665), (265, 6341332), (457, 3677140), (530, 3170666), (914, 1838570), (1060, 1585333), (1828, 919285), (2285, 735428), (3469, 484420), (4570, 367714), (6938, 242210), (9140, 183857), (13876, 121105), (17345, 96884), (24221, 69380), (34690, 48442)]