30981328

素因数分解:

$2^4\times 7^2\times {\mathrm{43}}^1\times {\mathrm{919}}^1$

素因数の和:984

約数の個数: 60

約数和(自身を含む): 71528160

約数和(自身を除く): 40546832

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 43, 49, 56, 86, 98, 112, 172, 196, 301, 344, 392, 602, 688, 784, 919, 1204, 1838, 2107, 2408, 3676, 4214, 4816, 6433, 7352, 8428, 12866, 14704, 16856, 25732, 33712, 39517, 45031, 51464, 79034, 90062, 102928, 158068, 180124, 276619, 316136, 360248, 553238, 632272, 720496, 1106476, 1936333, 2212952, 3872666, 4425904, 7745332, 15490664, 30981328]

約数ペア:

[(1, 30981328), (2, 15490664), (4, 7745332), (7, 4425904), (8, 3872666), (14, 2212952), (16, 1936333), (28, 1106476), (43, 720496), (49, 632272), (56, 553238), (86, 360248), (98, 316136), (112, 276619), (172, 180124), (196, 158068), (301, 102928), (344, 90062), (392, 79034), (602, 51464), (688, 45031), (784, 39517), (919, 33712), (1204, 25732), (1838, 16856), (2107, 14704), (2408, 12866), (3676, 8428), (4214, 7352), (4816, 6433)]