140868

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1$

素因数の和:73

約数の個数: 72

約数和(自身を含む): 448448

約数和(自身を除く): 307580

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 43, 52, 63, 78, 84, 86, 91, 117, 126, 129, 156, 172, 182, 234, 252, 258, 273, 301, 364, 387, 468, 516, 546, 559, 602, 774, 819, 903, 1092, 1118, 1204, 1548, 1638, 1677, 1806, 2236, 2709, 3276, 3354, 3612, 3913, 5031, 5418, 6708, 7826, 10062, 10836, 11739, 15652, 20124, 23478, 35217, 46956, 70434, 140868]

約数ペア:

[(1, 140868), (2, 70434), (3, 46956), (4, 35217), (6, 23478), (7, 20124), (9, 15652), (12, 11739), (13, 10836), (14, 10062), (18, 7826), (21, 6708), (26, 5418), (28, 5031), (36, 3913), (39, 3612), (42, 3354), (43, 3276), (52, 2709), (63, 2236), (78, 1806), (84, 1677), (86, 1638), (91, 1548), (117, 1204), (126, 1118), (129, 1092), (156, 903), (172, 819), (182, 774), (234, 602), (252, 559), (258, 546), (273, 516), (301, 468), (364, 387)]