393455590

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{193}}^1\times {\mathrm{431}}^1$

素因数の和:685

約数の個数: 64

約数和(自身を含む): 796511232

約数和(自身を除く): 403055642

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 86, 110, 193, 215, 386, 430, 431, 473, 862, 946, 965, 1930, 2123, 2155, 2365, 4246, 4310, 4730, 4741, 8299, 9482, 10615, 16598, 18533, 21230, 23705, 37066, 41495, 47410, 82990, 83183, 91289, 92665, 166366, 182578, 185330, 203863, 407726, 415915, 456445, 831830, 912890, 915013, 1019315, 1830026, 2038630, 3576869, 4575065, 7153738, 9150130, 17884345, 35768690, 39345559, 78691118, 196727795, 393455590]

約数ペア:

[(1, 393455590), (2, 196727795), (5, 78691118), (10, 39345559), (11, 35768690), (22, 17884345), (43, 9150130), (55, 7153738), (86, 4575065), (110, 3576869), (193, 2038630), (215, 1830026), (386, 1019315), (430, 915013), (431, 912890), (473, 831830), (862, 456445), (946, 415915), (965, 407726), (1930, 203863), (2123, 185330), (2155, 182578), (2365, 166366), (4246, 92665), (4310, 91289), (4730, 83183), (4741, 82990), (8299, 47410), (9482, 41495), (10615, 37066), (16598, 23705), (18533, 21230)]