1239230860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{145109}}^1$

素因数の和:145186

約数の個数: 48

約数和(自身を含む): 3022931520

約数和(自身を除く): 1783700660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 2135, 4270, 8540, 145109, 290218, 580436, 725545, 1015763, 1451090, 2031526, 2902180, 4063052, 5078815, 8851649, 10157630, 17703298, 20315260, 35406596, 44258245, 61961543, 88516490, 123923086, 177032980, 247846172, 309807715, 619615430, 1239230860]

約数ペア:

[(1, 1239230860), (2, 619615430), (4, 309807715), (5, 247846172), (7, 177032980), (10, 123923086), (14, 88516490), (20, 61961543), (28, 44258245), (35, 35406596), (61, 20315260), (70, 17703298), (122, 10157630), (140, 8851649), (244, 5078815), (305, 4063052), (427, 2902180), (610, 2031526), (854, 1451090), (1220, 1015763), (1708, 725545), (2135, 580436), (4270, 290218), (8540, 145109)]