30988468

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1879}}^1$

素因数の和:1940

約数の個数: 48

約数和(自身を含む): 67379200

約数和(自身を除く): 36390732

約数列:

[1, 2, 4, 7, 14, 19, 28, 31, 38, 62, 76, 124, 133, 217, 266, 434, 532, 589, 868, 1178, 1879, 2356, 3758, 4123, 7516, 8246, 13153, 16492, 26306, 35701, 52612, 58249, 71402, 116498, 142804, 232996, 249907, 407743, 499814, 815486, 999628, 1106731, 1630972, 2213462, 4426924, 7747117, 15494234, 30988468]

約数ペア:

[(1, 30988468), (2, 15494234), (4, 7747117), (7, 4426924), (14, 2213462), (19, 1630972), (28, 1106731), (31, 999628), (38, 815486), (62, 499814), (76, 407743), (124, 249907), (133, 232996), (217, 142804), (266, 116498), (434, 71402), (532, 58249), (589, 52612), (868, 35701), (1178, 26306), (1879, 16492), (2356, 13153), (3758, 8246), (4123, 7516)]