203434840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{5227}}^1$

素因数の和:5384

約数の個数: 64

約数和(自身を含む): 526982400

約数和(自身を除く): 323547560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 139, 140, 278, 280, 556, 695, 973, 1112, 1390, 1946, 2780, 3892, 4865, 5227, 5560, 7784, 9730, 10454, 19460, 20908, 26135, 36589, 38920, 41816, 52270, 73178, 104540, 146356, 182945, 209080, 292712, 365890, 726553, 731780, 1453106, 1463560, 2906212, 3632765, 5085871, 5812424, 7265530, 10171742, 14531060, 20343484, 25429355, 29062120, 40686968, 50858710, 101717420, 203434840]

約数ペア:

[(1, 203434840), (2, 101717420), (4, 50858710), (5, 40686968), (7, 29062120), (8, 25429355), (10, 20343484), (14, 14531060), (20, 10171742), (28, 7265530), (35, 5812424), (40, 5085871), (56, 3632765), (70, 2906212), (139, 1463560), (140, 1453106), (278, 731780), (280, 726553), (556, 365890), (695, 292712), (973, 209080), (1112, 182945), (1390, 146356), (1946, 104540), (2780, 73178), (3892, 52270), (4865, 41816), (5227, 38920), (5560, 36589), (7784, 26135), (9730, 20908), (10454, 19460)]