73601020

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{163}}^1\times {\mathrm{211}}^1$

素因数の和:490

約数の個数: 48

約数和(自身を含む): 157707648

約数和(自身を除く): 84106628

約数列:

[1, 2, 4, 5, 10, 20, 107, 163, 211, 214, 326, 422, 428, 535, 652, 815, 844, 1055, 1070, 1630, 2110, 2140, 3260, 4220, 17441, 22577, 34393, 34882, 45154, 68786, 69764, 87205, 90308, 112885, 137572, 171965, 174410, 225770, 343930, 348820, 451540, 687860, 3680051, 7360102, 14720204, 18400255, 36800510, 73601020]

約数ペア:

[(1, 73601020), (2, 36800510), (4, 18400255), (5, 14720204), (10, 7360102), (20, 3680051), (107, 687860), (163, 451540), (211, 348820), (214, 343930), (326, 225770), (422, 174410), (428, 171965), (535, 137572), (652, 112885), (815, 90308), (844, 87205), (1055, 69764), (1070, 68786), (1630, 45154), (2110, 34882), (2140, 34393), (3260, 22577), (4220, 17441)]