209225900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{709}}^1$

素因数の和:963

約数の個数: 72

約数和(自身を含む): 491791440

約数和(自身を除く): 282565540

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 227, 260, 325, 454, 650, 709, 908, 1135, 1300, 1418, 2270, 2836, 2951, 3545, 4540, 5675, 5902, 7090, 9217, 11350, 11804, 14180, 14755, 17725, 18434, 22700, 29510, 35450, 36868, 46085, 59020, 70900, 73775, 92170, 147550, 160943, 184340, 230425, 295100, 321886, 460850, 643772, 804715, 921700, 1609430, 2092259, 3218860, 4023575, 4184518, 8047150, 8369036, 10461295, 16094300, 20922590, 41845180, 52306475, 104612950, 209225900]

約数ペア:

[(1, 209225900), (2, 104612950), (4, 52306475), (5, 41845180), (10, 20922590), (13, 16094300), (20, 10461295), (25, 8369036), (26, 8047150), (50, 4184518), (52, 4023575), (65, 3218860), (100, 2092259), (130, 1609430), (227, 921700), (260, 804715), (325, 643772), (454, 460850), (650, 321886), (709, 295100), (908, 230425), (1135, 184340), (1300, 160943), (1418, 147550), (2270, 92170), (2836, 73775), (2951, 70900), (3545, 59020), (4540, 46085), (5675, 36868), (5902, 35450), (7090, 29510), (9217, 22700), (11350, 18434), (11804, 17725), (14180, 14755)]