146949680

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{20639}}^1$

素因数の和:20741

約数の個数: 40

約数和(自身を含む): 345513600

約数和(自身を除く): 198563920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 7120, 20639, 41278, 82556, 103195, 165112, 206390, 330224, 412780, 825560, 1651120, 1836871, 3673742, 7347484, 9184355, 14694968, 18368710, 29389936, 36737420, 73474840, 146949680]

約数ペア:

[(1, 146949680), (2, 73474840), (4, 36737420), (5, 29389936), (8, 18368710), (10, 14694968), (16, 9184355), (20, 7347484), (40, 3673742), (80, 1836871), (89, 1651120), (178, 825560), (356, 412780), (445, 330224), (712, 206390), (890, 165112), (1424, 103195), (1780, 82556), (3560, 41278), (7120, 20639)]