220170148

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:289

約数の個数: 72

約数和(自身を含む): 442411200

約数和(自身を除く): 222241052

約数列:

[1, 2, 4, 11, 22, 43, 44, 71, 86, 121, 142, 149, 172, 242, 284, 298, 473, 484, 596, 781, 946, 1562, 1639, 1892, 3053, 3124, 3278, 5203, 6106, 6407, 6556, 8591, 10406, 10579, 12212, 12814, 17182, 18029, 20812, 21158, 25628, 33583, 34364, 36058, 42316, 67166, 70477, 72116, 116369, 134332, 140954, 232738, 281908, 369413, 454897, 465476, 738826, 775247, 909794, 1280059, 1477652, 1550494, 1819588, 2560118, 3100988, 5003867, 5120236, 10007734, 20015468, 55042537, 110085074, 220170148]

約数ペア:

[(1, 220170148), (2, 110085074), (4, 55042537), (11, 20015468), (22, 10007734), (43, 5120236), (44, 5003867), (71, 3100988), (86, 2560118), (121, 1819588), (142, 1550494), (149, 1477652), (172, 1280059), (242, 909794), (284, 775247), (298, 738826), (473, 465476), (484, 454897), (596, 369413), (781, 281908), (946, 232738), (1562, 140954), (1639, 134332), (1892, 116369), (3053, 72116), (3124, 70477), (3278, 67166), (5203, 42316), (6106, 36058), (6407, 34364), (6556, 33583), (8591, 25628), (10406, 21158), (10579, 20812), (12212, 18029), (12814, 17182)]