508980640

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{64921}}^1$

素因数の和:64950

約数の個数: 72

約数和(自身を含む): 1398809412

約数和(自身を除く): 889828772

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, 64921, 129842, 259684, 324605, 454447, 519368, 649210, 908894, 1038736, 1298420, 1817788, 2077472, 2272235, 2596840, 3181129, 3635576, 4544470, 5193680, 6362258, 7271152, 9088940, 10387360, 12724516, 14542304, 15905645, 18177880, 25449032, 31811290, 36355760, 50898064, 63622580, 72711520, 101796128, 127245160, 254490320, 508980640]

約数ペア:

[(1, 508980640), (2, 254490320), (4, 127245160), (5, 101796128), (7, 72711520), (8, 63622580), (10, 50898064), (14, 36355760), (16, 31811290), (20, 25449032), (28, 18177880), (32, 15905645), (35, 14542304), (40, 12724516), (49, 10387360), (56, 9088940), (70, 7271152), (80, 6362258), (98, 5193680), (112, 4544470), (140, 3635576), (160, 3181129), (196, 2596840), (224, 2272235), (245, 2077472), (280, 1817788), (392, 1298420), (490, 1038736), (560, 908894), (784, 649210), (980, 519368), (1120, 454447), (1568, 324605), (1960, 259684), (3920, 129842), (7840, 64921)]