90531800

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{26627}}^1$

素因数の和:26660

約数の個数: 48

約数和(自身を含む): 222876360

約数和(自身を除く): 132344560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 68, 85, 100, 136, 170, 200, 340, 425, 680, 850, 1700, 3400, 26627, 53254, 106508, 133135, 213016, 266270, 452659, 532540, 665675, 905318, 1065080, 1331350, 1810636, 2263295, 2662700, 3621272, 4526590, 5325400, 9053180, 11316475, 18106360, 22632950, 45265900, 90531800]

約数ペア:

[(1, 90531800), (2, 45265900), (4, 22632950), (5, 18106360), (8, 11316475), (10, 9053180), (17, 5325400), (20, 4526590), (25, 3621272), (34, 2662700), (40, 2263295), (50, 1810636), (68, 1331350), (85, 1065080), (100, 905318), (136, 665675), (170, 532540), (200, 452659), (340, 266270), (425, 213016), (680, 133135), (850, 106508), (1700, 53254), (3400, 26627)]