218163680

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{27827}}^1$

素因数の和:27856

約数の個数: 72

約数和(自身を含む): 599582088

約数和(自身を除く): 381418408

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 27827, 55654, 111308, 139135, 194789, 222616, 278270, 389578, 445232, 556540, 779156, 890464, 973945, 1113080, 1363523, 1558312, 1947890, 2226160, 2727046, 3116624, 3895780, 4452320, 5454092, 6233248, 6817615, 7791560, 10908184, 13635230, 15583120, 21816368, 27270460, 31166240, 43632736, 54540920, 109081840, 218163680]

約数ペア:

[(1, 218163680), (2, 109081840), (4, 54540920), (5, 43632736), (7, 31166240), (8, 27270460), (10, 21816368), (14, 15583120), (16, 13635230), (20, 10908184), (28, 7791560), (32, 6817615), (35, 6233248), (40, 5454092), (49, 4452320), (56, 3895780), (70, 3116624), (80, 2727046), (98, 2226160), (112, 1947890), (140, 1558312), (160, 1363523), (196, 1113080), (224, 973945), (245, 890464), (280, 779156), (392, 556540), (490, 445232), (560, 389578), (784, 278270), (980, 222616), (1120, 194789), (1568, 139135), (1960, 111308), (3920, 55654), (7840, 27827)]