213886960

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{54563}}^1$

素因数の和:54590

約数の個数: 60

約数和(自身を含む): 578487528

約数和(自身を除く): 364600568

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 54563, 109126, 218252, 272815, 381941, 436504, 545630, 763882, 873008, 1091260, 1527764, 1909705, 2182520, 2673587, 3055528, 3819410, 4365040, 5347174, 6111056, 7638820, 10694348, 13367935, 15277640, 21388696, 26735870, 30555280, 42777392, 53471740, 106943480, 213886960]

約数ペア:

[(1, 213886960), (2, 106943480), (4, 53471740), (5, 42777392), (7, 30555280), (8, 26735870), (10, 21388696), (14, 15277640), (16, 13367935), (20, 10694348), (28, 7638820), (35, 6111056), (40, 5347174), (49, 4365040), (56, 3819410), (70, 3055528), (80, 2673587), (98, 2182520), (112, 1909705), (140, 1527764), (196, 1091260), (245, 873008), (280, 763882), (392, 545630), (490, 436504), (560, 381941), (784, 272815), (980, 218252), (1960, 109126), (3920, 54563)]