1999726465

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{293}}^1\times {\mathrm{389}}^1$

素因数の和:738

約数の個数: 48

約数和(自身を含む): 2744960400

約数和(自身を除く): 745233935

約数列:

[1, 5, 11, 29, 55, 121, 145, 293, 319, 389, 605, 1465, 1595, 1945, 3223, 3509, 4279, 8497, 11281, 16115, 17545, 21395, 35453, 42485, 47069, 56405, 93467, 113977, 124091, 177265, 235345, 467335, 569885, 620455, 1028137, 1253747, 1365001, 3305333, 5140685, 6268735, 6825005, 13791217, 16526665, 36358663, 68956085, 181793315, 399945293, 1999726465]

約数ペア:

[(1, 1999726465), (5, 399945293), (11, 181793315), (29, 68956085), (55, 36358663), (121, 16526665), (145, 13791217), (293, 6825005), (319, 6268735), (389, 5140685), (605, 3305333), (1465, 1365001), (1595, 1253747), (1945, 1028137), (3223, 620455), (3509, 569885), (4279, 467335), (8497, 235345), (11281, 177265), (16115, 124091), (17545, 113977), (21395, 93467), (35453, 56405), (42485, 47069)]