1225436380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1979}}^1\times {\mathrm{4423}}^1$

素因数の和:6418

約数の個数: 48

約数和(自身を含む): 2943198720

約数和(自身を除く): 1717762340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1979, 3958, 4423, 7916, 8846, 9895, 13853, 17692, 19790, 22115, 27706, 30961, 39580, 44230, 55412, 61922, 69265, 88460, 123844, 138530, 154805, 277060, 309610, 619220, 8753117, 17506234, 35012468, 43765585, 61271819, 87531170, 122543638, 175062340, 245087276, 306359095, 612718190, 1225436380]

約数ペア:

[(1, 1225436380), (2, 612718190), (4, 306359095), (5, 245087276), (7, 175062340), (10, 122543638), (14, 87531170), (20, 61271819), (28, 43765585), (35, 35012468), (70, 17506234), (140, 8753117), (1979, 619220), (3958, 309610), (4423, 277060), (7916, 154805), (8846, 138530), (9895, 123844), (13853, 88460), (17692, 69265), (19790, 61922), (22115, 55412), (27706, 44230), (30961, 39580)]