142720732

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{1249}}^1$

素因数の和:1331

約数の個数: 72

約数和(自身を含む): 323190000

約数和(自身を除く): 180469268

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 53, 77, 98, 106, 154, 196, 212, 308, 371, 539, 583, 742, 1078, 1166, 1249, 1484, 2156, 2332, 2498, 2597, 4081, 4996, 5194, 8162, 8743, 10388, 13739, 16324, 17486, 27478, 28567, 34972, 54956, 57134, 61201, 66197, 96173, 114268, 122402, 132394, 192346, 244804, 264788, 384692, 463379, 673211, 728167, 926758, 1346422, 1456334, 1853516, 2692844, 2912668, 3243653, 5097169, 6487306, 10194338, 12974612, 20388676, 35680183, 71360366, 142720732]

約数ペア:

[(1, 142720732), (2, 71360366), (4, 35680183), (7, 20388676), (11, 12974612), (14, 10194338), (22, 6487306), (28, 5097169), (44, 3243653), (49, 2912668), (53, 2692844), (77, 1853516), (98, 1456334), (106, 1346422), (154, 926758), (196, 728167), (212, 673211), (308, 463379), (371, 384692), (539, 264788), (583, 244804), (742, 192346), (1078, 132394), (1166, 122402), (1249, 114268), (1484, 96173), (2156, 66197), (2332, 61201), (2498, 57134), (2597, 54956), (4081, 34972), (4996, 28567), (5194, 27478), (8162, 17486), (8743, 16324), (10388, 13739)]