28484120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{4423}}^1$

素因数の和:4464

約数の個数: 64

約数和(自身を含む): 76446720

約数和(自身を除く): 47962600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 3220, 4423, 6440, 8846, 17692, 22115, 30961, 35384, 44230, 61922, 88460, 101729, 123844, 154805, 176920, 203458, 247688, 309610, 406916, 508645, 619220, 712103, 813832, 1017290, 1238440, 1424206, 2034580, 2848412, 3560515, 4069160, 5696824, 7121030, 14242060, 28484120]

約数ペア:

[(1, 28484120), (2, 14242060), (4, 7121030), (5, 5696824), (7, 4069160), (8, 3560515), (10, 2848412), (14, 2034580), (20, 1424206), (23, 1238440), (28, 1017290), (35, 813832), (40, 712103), (46, 619220), (56, 508645), (70, 406916), (92, 309610), (115, 247688), (140, 203458), (161, 176920), (184, 154805), (230, 123844), (280, 101729), (322, 88460), (460, 61922), (644, 44230), (805, 35384), (920, 30961), (1288, 22115), (1610, 17692), (3220, 8846), (4423, 6440)]