208434590

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{1151}}^1$

素因数の和:1377

約数の個数: 64

約数和(自身を含む): 464486400

約数和(自身を除く): 256051810

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 199, 398, 455, 910, 995, 1151, 1393, 1990, 2302, 2587, 2786, 5174, 5755, 6965, 8057, 11510, 12935, 13930, 14963, 16114, 18109, 25870, 29926, 36218, 40285, 74815, 80570, 90545, 104741, 149630, 181090, 209482, 229049, 458098, 523705, 1047410, 1145245, 1603343, 2290490, 2977637, 3206686, 5955274, 8016715, 14888185, 16033430, 20843459, 29776370, 41686918, 104217295, 208434590]

約数ペア:

[(1, 208434590), (2, 104217295), (5, 41686918), (7, 29776370), (10, 20843459), (13, 16033430), (14, 14888185), (26, 8016715), (35, 5955274), (65, 3206686), (70, 2977637), (91, 2290490), (130, 1603343), (182, 1145245), (199, 1047410), (398, 523705), (455, 458098), (910, 229049), (995, 209482), (1151, 181090), (1393, 149630), (1990, 104741), (2302, 90545), (2587, 80570), (2786, 74815), (5174, 40285), (5755, 36218), (6965, 29926), (8057, 25870), (11510, 18109), (12935, 16114), (13930, 14963)]