213437260

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{5153}}^1$

素因数の和:5290

約数の個数: 48

約数和(自身を含む): 476229600

約数和(自身を除く): 262792340

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 109, 190, 218, 380, 436, 545, 1090, 2071, 2180, 4142, 5153, 8284, 10306, 10355, 20612, 20710, 25765, 41420, 51530, 97907, 103060, 195814, 391628, 489535, 561677, 979070, 1123354, 1958140, 2246708, 2808385, 5616770, 10671863, 11233540, 21343726, 42687452, 53359315, 106718630, 213437260]

約数ペア:

[(1, 213437260), (2, 106718630), (4, 53359315), (5, 42687452), (10, 21343726), (19, 11233540), (20, 10671863), (38, 5616770), (76, 2808385), (95, 2246708), (109, 1958140), (190, 1123354), (218, 979070), (380, 561677), (436, 489535), (545, 391628), (1090, 195814), (2071, 103060), (2180, 97907), (4142, 51530), (5153, 41420), (8284, 25765), (10306, 20710), (10355, 20612)]