388840480

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{49597}}^1$

素因数の和:49626

約数の個数: 72

約数和(自身を含む): 1068638508

約数和(自身を除く): 679798028

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, 49597, 99194, 198388, 247985, 347179, 396776, 495970, 694358, 793552, 991940, 1388716, 1587104, 1735895, 1983880, 2430253, 2777432, 3471790, 3967760, 4860506, 5554864, 6943580, 7935520, 9721012, 11109728, 12151265, 13887160, 19442024, 24302530, 27774320, 38884048, 48605060, 55548640, 77768096, 97210120, 194420240, 388840480]

約数ペア:

[(1, 388840480), (2, 194420240), (4, 97210120), (5, 77768096), (7, 55548640), (8, 48605060), (10, 38884048), (14, 27774320), (16, 24302530), (20, 19442024), (28, 13887160), (32, 12151265), (35, 11109728), (40, 9721012), (49, 7935520), (56, 6943580), (70, 5554864), (80, 4860506), (98, 3967760), (112, 3471790), (140, 2777432), (160, 2430253), (196, 1983880), (224, 1735895), (245, 1587104), (280, 1388716), (392, 991940), (490, 793552), (560, 694358), (784, 495970), (980, 396776), (1120, 347179), (1568, 247985), (1960, 198388), (3920, 99194), (7840, 49597)]