1238900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{953}}^1$

素因数の和:980

約数の個数: 36

約数和(自身を含む): 2898252

約数和(自身を除く): 1659352

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 953, 1300, 1906, 3812, 4765, 9530, 12389, 19060, 23825, 24778, 47650, 49556, 61945, 95300, 123890, 247780, 309725, 619450, 1238900]

約数ペア:

[(1, 1238900), (2, 619450), (4, 309725), (5, 247780), (10, 123890), (13, 95300), (20, 61945), (25, 49556), (26, 47650), (50, 24778), (52, 23825), (65, 19060), (100, 12389), (130, 9530), (260, 4765), (325, 3812), (650, 1906), (953, 1300)]