249555040

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{229}}^1$

素因数の和:397

約数の個数: 144

約数和(自身を含む): 693781200

約数和(自身を除く): 444226160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 139, 140, 160, 196, 224, 229, 245, 278, 280, 392, 458, 490, 556, 560, 695, 784, 916, 973, 980, 1112, 1120, 1145, 1390, 1568, 1603, 1832, 1946, 1960, 2224, 2290, 2780, 3206, 3664, 3892, 3920, 4448, 4580, 4865, 5560, 6412, 6811, 7328, 7784, 7840, 8015, 9160, 9730, 11120, 11221, 12824, 13622, 15568, 16030, 18320, 19460, 22240, 22442, 25648, 27244, 31136, 31831, 32060, 34055, 36640, 38920, 44884, 51296, 54488, 56105, 63662, 64120, 68110, 77840, 89768, 108976, 112210, 127324, 128240, 136220, 155680, 159155, 179536, 217952, 222817, 224420, 254648, 256480, 272440, 318310, 359072, 445634, 448840, 509296, 544880, 636620, 891268, 897680, 1018592, 1089760, 1114085, 1273240, 1559719, 1782536, 1795360, 2228170, 2546480, 3119438, 3565072, 4456340, 5092960, 6238876, 7130144, 7798595, 8912680, 12477752, 15597190, 17825360, 24955504, 31194380, 35650720, 49911008, 62388760, 124777520, 249555040]

約数ペア:

[(1, 249555040), (2, 124777520), (4, 62388760), (5, 49911008), (7, 35650720), (8, 31194380), (10, 24955504), (14, 17825360), (16, 15597190), (20, 12477752), (28, 8912680), (32, 7798595), (35, 7130144), (40, 6238876), (49, 5092960), (56, 4456340), (70, 3565072), (80, 3119438), (98, 2546480), (112, 2228170), (139, 1795360), (140, 1782536), (160, 1559719), (196, 1273240), (224, 1114085), (229, 1089760), (245, 1018592), (278, 897680), (280, 891268), (392, 636620), (458, 544880), (490, 509296), (556, 448840), (560, 445634), (695, 359072), (784, 318310), (916, 272440), (973, 256480), (980, 254648), (1112, 224420), (1120, 222817), (1145, 217952), (1390, 179536), (1568, 159155), (1603, 155680), (1832, 136220), (1946, 128240), (1960, 127324), (2224, 112210), (2290, 108976), (2780, 89768), (3206, 77840), (3664, 68110), (3892, 64120), (3920, 63662), (4448, 56105), (4580, 54488), (4865, 51296), (5560, 44884), (6412, 38920), (6811, 36640), (7328, 34055), (7784, 32060), (7840, 31831), (8015, 31136), (9160, 27244), (9730, 25648), (11120, 22442), (11221, 22240), (12824, 19460), (13622, 18320), (15568, 16030)]