30914156

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:223

約数の個数: 72

約数和(自身を含む): 68866560

約数和(自身を除く): 37952404

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 47, 52, 91, 94, 139, 169, 182, 188, 278, 329, 338, 364, 556, 611, 658, 676, 973, 1183, 1222, 1316, 1807, 1946, 2366, 2444, 3614, 3892, 4277, 4732, 6533, 7228, 7943, 8554, 12649, 13066, 15886, 17108, 23491, 25298, 26132, 31772, 45731, 46982, 50596, 55601, 84929, 91462, 93964, 111202, 164437, 169858, 182924, 222404, 328874, 339716, 594503, 657748, 1104077, 1189006, 2208154, 2378012, 4416308, 7728539, 15457078, 30914156]

約数ペア:

[(1, 30914156), (2, 15457078), (4, 7728539), (7, 4416308), (13, 2378012), (14, 2208154), (26, 1189006), (28, 1104077), (47, 657748), (52, 594503), (91, 339716), (94, 328874), (139, 222404), (169, 182924), (182, 169858), (188, 164437), (278, 111202), (329, 93964), (338, 91462), (364, 84929), (556, 55601), (611, 50596), (658, 46982), (676, 45731), (973, 31772), (1183, 26132), (1222, 25298), (1316, 23491), (1807, 17108), (1946, 15886), (2366, 13066), (2444, 12649), (3614, 8554), (3892, 7943), (4277, 7228), (4732, 6533)]