79724120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{284729}}^1$

素因数の和:284747

約数の個数: 32

約数和(自身を含む): 205005600

約数和(自身を除く): 125281480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 284729, 569458, 1138916, 1423645, 1993103, 2277832, 2847290, 3986206, 5694580, 7972412, 9965515, 11389160, 15944824, 19931030, 39862060, 79724120]

約数ペア:

[(1, 79724120), (2, 39862060), (4, 19931030), (5, 15944824), (7, 11389160), (8, 9965515), (10, 7972412), (14, 5694580), (20, 3986206), (28, 2847290), (35, 2277832), (40, 1993103), (56, 1423645), (70, 1138916), (140, 569458), (280, 284729)]