280109816

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{4987}}^1$

素因数の和:5076

約数の個数: 64

約数和(自身を含む): 646444800

約数和(自身を除く): 366334984

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 59, 68, 118, 119, 136, 236, 238, 413, 472, 476, 826, 952, 1003, 1652, 2006, 3304, 4012, 4987, 7021, 8024, 9974, 14042, 19948, 28084, 34909, 39896, 56168, 69818, 84779, 139636, 169558, 279272, 294233, 339116, 588466, 593453, 678232, 1176932, 1186906, 2059631, 2353864, 2373812, 4119262, 4747624, 5001961, 8238524, 10003922, 16477048, 20007844, 35013727, 40015688, 70027454, 140054908, 280109816]

約数ペア:

[(1, 280109816), (2, 140054908), (4, 70027454), (7, 40015688), (8, 35013727), (14, 20007844), (17, 16477048), (28, 10003922), (34, 8238524), (56, 5001961), (59, 4747624), (68, 4119262), (118, 2373812), (119, 2353864), (136, 2059631), (236, 1186906), (238, 1176932), (413, 678232), (472, 593453), (476, 588466), (826, 339116), (952, 294233), (1003, 279272), (1652, 169558), (2006, 139636), (3304, 84779), (4012, 69818), (4987, 56168), (7021, 39896), (8024, 34909), (9974, 28084), (14042, 19948)]