1866800

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{359}}^1$

素因数の和:390

約数の個数: 60

約数和(自身を含む): 4843440

約数和(自身を除く): 2976640

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 359, 400, 520, 650, 718, 1040, 1300, 1436, 1795, 2600, 2872, 3590, 4667, 5200, 5744, 7180, 8975, 9334, 14360, 17950, 18668, 23335, 28720, 35900, 37336, 46670, 71800, 74672, 93340, 116675, 143600, 186680, 233350, 373360, 466700, 933400, 1866800]

約数ペア:

[(1, 1866800), (2, 933400), (4, 466700), (5, 373360), (8, 233350), (10, 186680), (13, 143600), (16, 116675), (20, 93340), (25, 74672), (26, 71800), (40, 46670), (50, 37336), (52, 35900), (65, 28720), (80, 23335), (100, 18668), (104, 17950), (130, 14360), (200, 9334), (208, 8975), (260, 7180), (325, 5744), (359, 5200), (400, 4667), (520, 3590), (650, 2872), (718, 2600), (1040, 1795), (1300, 1436)]