218320480

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{27847}}^1$

素因数の和:27876

約数の個数: 72

約数和(自身を含む): 600013008

約数和(自身を除く): 381692528

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, 27847, 55694, 111388, 139235, 194929, 222776, 278470, 389858, 445552, 556940, 779716, 891104, 974645, 1113880, 1364503, 1559432, 1949290, 2227760, 2729006, 3118864, 3898580, 4455520, 5458012, 6237728, 6822515, 7797160, 10916024, 13645030, 15594320, 21832048, 27290060, 31188640, 43664096, 54580120, 109160240, 218320480]

約数ペア:

[(1, 218320480), (2, 109160240), (4, 54580120), (5, 43664096), (7, 31188640), (8, 27290060), (10, 21832048), (14, 15594320), (16, 13645030), (20, 10916024), (28, 7797160), (32, 6822515), (35, 6237728), (40, 5458012), (49, 4455520), (56, 3898580), (70, 3118864), (80, 2729006), (98, 2227760), (112, 1949290), (140, 1559432), (160, 1364503), (196, 1113880), (224, 974645), (245, 891104), (280, 779716), (392, 556940), (490, 445552), (560, 389858), (784, 278470), (980, 222776), (1120, 194929), (1568, 139235), (1960, 111388), (3920, 55694), (7840, 27847)]