289123520

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{18439}}^1$

素因数の和:18470

約数の個数: 84

約数和(自身を含む): 800922960

約数和(自身を除く): 511799440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 320, 392, 448, 490, 560, 784, 980, 1120, 1568, 1960, 2240, 3136, 3920, 7840, 15680, 18439, 36878, 73756, 92195, 129073, 147512, 184390, 258146, 295024, 368780, 516292, 590048, 645365, 737560, 903511, 1032584, 1180096, 1290730, 1475120, 1807022, 2065168, 2581460, 2950240, 3614044, 4130336, 4517555, 5162920, 5900480, 7228088, 8260672, 9035110, 10325840, 14456176, 18070220, 20651680, 28912352, 36140440, 41303360, 57824704, 72280880, 144561760, 289123520]

約数ペア:

[(1, 289123520), (2, 144561760), (4, 72280880), (5, 57824704), (7, 41303360), (8, 36140440), (10, 28912352), (14, 20651680), (16, 18070220), (20, 14456176), (28, 10325840), (32, 9035110), (35, 8260672), (40, 7228088), (49, 5900480), (56, 5162920), (64, 4517555), (70, 4130336), (80, 3614044), (98, 2950240), (112, 2581460), (140, 2065168), (160, 1807022), (196, 1475120), (224, 1290730), (245, 1180096), (280, 1032584), (320, 903511), (392, 737560), (448, 645365), (490, 590048), (560, 516292), (784, 368780), (980, 295024), (1120, 258146), (1568, 184390), (1960, 147512), (2240, 129073), (3136, 92195), (3920, 73756), (7840, 36878), (15680, 18439)]