31438400

素因数分解:

$2^6\times 5^2\times 7^2\times {\mathrm{401}}^1$

素因数の和:437

約数の個数: 126

約数和(自身を含む): 90212418

約数和(自身を除く): 58774018

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 64, 70, 80, 98, 100, 112, 140, 160, 175, 196, 200, 224, 245, 280, 320, 350, 392, 400, 401, 448, 490, 560, 700, 784, 800, 802, 980, 1120, 1225, 1400, 1568, 1600, 1604, 1960, 2005, 2240, 2450, 2800, 2807, 3136, 3208, 3920, 4010, 4900, 5600, 5614, 6416, 7840, 8020, 9800, 10025, 11200, 11228, 12832, 14035, 15680, 16040, 19600, 19649, 20050, 22456, 25664, 28070, 32080, 39200, 39298, 40100, 44912, 56140, 64160, 70175, 78400, 78596, 80200, 89824, 98245, 112280, 128320, 140350, 157192, 160400, 179648, 196490, 224560, 280700, 314384, 320800, 392980, 449120, 491225, 561400, 628768, 641600, 785960, 898240, 982450, 1122800, 1257536, 1571920, 1964900, 2245600, 3143840, 3929800, 4491200, 6287680, 7859600, 15719200, 31438400]

約数ペア:

[(1, 31438400), (2, 15719200), (4, 7859600), (5, 6287680), (7, 4491200), (8, 3929800), (10, 3143840), (14, 2245600), (16, 1964900), (20, 1571920), (25, 1257536), (28, 1122800), (32, 982450), (35, 898240), (40, 785960), (49, 641600), (50, 628768), (56, 561400), (64, 491225), (70, 449120), (80, 392980), (98, 320800), (100, 314384), (112, 280700), (140, 224560), (160, 196490), (175, 179648), (196, 160400), (200, 157192), (224, 140350), (245, 128320), (280, 112280), (320, 98245), (350, 89824), (392, 80200), (400, 78596), (401, 78400), (448, 70175), (490, 64160), (560, 56140), (700, 44912), (784, 40100), (800, 39298), (802, 39200), (980, 32080), (1120, 28070), (1225, 25664), (1400, 22456), (1568, 20050), (1600, 19649), (1604, 19600), (1960, 16040), (2005, 15680), (2240, 14035), (2450, 12832), (2800, 11228), (2807, 11200), (3136, 10025), (3208, 9800), (3920, 8020), (4010, 7840), (4900, 6416), (5600, 5614)]