310001440

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{39541}}^1$

素因数の和:39570

約数の個数: 72

約数和(自身を含む): 851971932

約数和(自身を除く): 541970492

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 39541, 79082, 158164, 197705, 276787, 316328, 395410, 553574, 632656, 790820, 1107148, 1265312, 1383935, 1581640, 1937509, 2214296, 2767870, 3163280, 3875018, 4428592, 5535740, 6326560, 7750036, 8857184, 9687545, 11071480, 15500072, 19375090, 22142960, 31000144, 38750180, 44285920, 62000288, 77500360, 155000720, 310001440]

約数ペア:

[(1, 310001440), (2, 155000720), (4, 77500360), (5, 62000288), (7, 44285920), (8, 38750180), (10, 31000144), (14, 22142960), (16, 19375090), (20, 15500072), (28, 11071480), (32, 9687545), (35, 8857184), (40, 7750036), (49, 6326560), (56, 5535740), (70, 4428592), (80, 3875018), (98, 3163280), (112, 2767870), (140, 2214296), (160, 1937509), (196, 1581640), (224, 1383935), (245, 1265312), (280, 1107148), (392, 790820), (490, 632656), (560, 553574), (784, 395410), (980, 316328), (1120, 276787), (1568, 197705), (1960, 158164), (3920, 79082), (7840, 39541)]