421813600

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{40559}}^1$

素因数の和:40592

約数の個数: 72

約数和(自身を含む): 1108991520

約数和(自身を除く): 687177920

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 104, 130, 160, 200, 208, 260, 325, 400, 416, 520, 650, 800, 1040, 1300, 2080, 2600, 5200, 10400, 40559, 81118, 162236, 202795, 324472, 405590, 527267, 648944, 811180, 1013975, 1054534, 1297888, 1622360, 2027950, 2109068, 2636335, 3244720, 4055900, 4218136, 5272670, 6489440, 8111800, 8436272, 10545340, 13181675, 16223600, 16872544, 21090680, 26363350, 32447200, 42181360, 52726700, 84362720, 105453400, 210906800, 421813600]

約数ペア:

[(1, 421813600), (2, 210906800), (4, 105453400), (5, 84362720), (8, 52726700), (10, 42181360), (13, 32447200), (16, 26363350), (20, 21090680), (25, 16872544), (26, 16223600), (32, 13181675), (40, 10545340), (50, 8436272), (52, 8111800), (65, 6489440), (80, 5272670), (100, 4218136), (104, 4055900), (130, 3244720), (160, 2636335), (200, 2109068), (208, 2027950), (260, 1622360), (325, 1297888), (400, 1054534), (416, 1013975), (520, 811180), (650, 648944), (800, 527267), (1040, 405590), (1300, 324472), (2080, 202795), (2600, 162236), (5200, 81118), (10400, 40559)]