214938620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{1973}}^1$

素因数の和:2414

約数の個数: 48

約数和(自身を含む): 487499040

約数和(自身を除く): 272560420

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 419, 838, 1676, 1973, 2095, 3946, 4190, 5447, 7892, 8380, 9865, 10894, 19730, 21788, 25649, 27235, 39460, 51298, 54470, 102596, 108940, 128245, 256490, 512980, 826687, 1653374, 3306748, 4133435, 8266870, 10746931, 16533740, 21493862, 42987724, 53734655, 107469310, 214938620]

約数ペア:

[(1, 214938620), (2, 107469310), (4, 53734655), (5, 42987724), (10, 21493862), (13, 16533740), (20, 10746931), (26, 8266870), (52, 4133435), (65, 3306748), (130, 1653374), (260, 826687), (419, 512980), (838, 256490), (1676, 128245), (1973, 108940), (2095, 102596), (3946, 54470), (4190, 51298), (5447, 39460), (7892, 27235), (8380, 25649), (9865, 21788), (10894, 19730)]