289943810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{5323}}^1$

素因数の和:5762

約数の個数: 32

約数和(自身を含む): 563492160

約数和(自身を除く): 273548350

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 419, 838, 2095, 4190, 5323, 5447, 10646, 10894, 26615, 27235, 53230, 54470, 69199, 138398, 345995, 691990, 2230337, 4460674, 11151685, 22303370, 28994381, 57988762, 144971905, 289943810]

約数ペア:

[(1, 289943810), (2, 144971905), (5, 57988762), (10, 28994381), (13, 22303370), (26, 11151685), (65, 4460674), (130, 2230337), (419, 691990), (838, 345995), (2095, 138398), (4190, 69199), (5323, 54470), (5447, 53230), (10646, 27235), (10894, 26615)]