201091820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{643}}^1\times {\mathrm{823}}^1$

素因数の和:1494

約数の個数: 48

約数和(自身を含む): 445751040

約数和(自身を除く): 244659220

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 643, 823, 1286, 1646, 2572, 3215, 3292, 4115, 6430, 8230, 12217, 12860, 15637, 16460, 24434, 31274, 48868, 61085, 62548, 78185, 122170, 156370, 244340, 312740, 529189, 1058378, 2116756, 2645945, 5291890, 10054591, 10583780, 20109182, 40218364, 50272955, 100545910, 201091820]

約数ペア:

[(1, 201091820), (2, 100545910), (4, 50272955), (5, 40218364), (10, 20109182), (19, 10583780), (20, 10054591), (38, 5291890), (76, 2645945), (95, 2116756), (190, 1058378), (380, 529189), (643, 312740), (823, 244340), (1286, 156370), (1646, 122170), (2572, 78185), (3215, 62548), (3292, 61085), (4115, 48868), (6430, 31274), (8230, 24434), (12217, 16460), (12860, 15637)]