219985260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{157}}^1\times {\mathrm{193}}^1$

素因数の和:384

約数の個数: 144

約数和(自身を含む): 684888288

約数和(自身を除く): 464903028

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 121, 132, 157, 165, 193, 220, 242, 314, 330, 363, 386, 471, 484, 579, 605, 628, 660, 726, 772, 785, 942, 965, 1158, 1210, 1452, 1570, 1727, 1815, 1884, 1930, 2123, 2316, 2355, 2420, 2895, 3140, 3454, 3630, 3860, 4246, 4710, 5181, 5790, 6369, 6908, 7260, 8492, 8635, 9420, 10362, 10615, 11580, 12738, 17270, 18997, 20724, 21230, 23353, 25476, 25905, 30301, 31845, 34540, 37994, 42460, 46706, 51810, 56991, 60602, 63690, 70059, 75988, 90903, 93412, 94985, 103620, 113982, 116765, 121204, 127380, 140118, 151505, 181806, 189970, 227964, 233530, 280236, 284955, 303010, 333311, 350295, 363612, 379940, 454515, 467060, 569910, 606020, 666622, 700590, 909030, 999933, 1139820, 1333244, 1401180, 1666555, 1818060, 1999866, 3333110, 3666421, 3999732, 4999665, 6666220, 7332842, 9999330, 10999263, 14665684, 18332105, 19998660, 21998526, 36664210, 43997052, 54996315, 73328420, 109992630, 219985260]

約数ペア:

[(1, 219985260), (2, 109992630), (3, 73328420), (4, 54996315), (5, 43997052), (6, 36664210), (10, 21998526), (11, 19998660), (12, 18332105), (15, 14665684), (20, 10999263), (22, 9999330), (30, 7332842), (33, 6666220), (44, 4999665), (55, 3999732), (60, 3666421), (66, 3333110), (110, 1999866), (121, 1818060), (132, 1666555), (157, 1401180), (165, 1333244), (193, 1139820), (220, 999933), (242, 909030), (314, 700590), (330, 666622), (363, 606020), (386, 569910), (471, 467060), (484, 454515), (579, 379940), (605, 363612), (628, 350295), (660, 333311), (726, 303010), (772, 284955), (785, 280236), (942, 233530), (965, 227964), (1158, 189970), (1210, 181806), (1452, 151505), (1570, 140118), (1727, 127380), (1815, 121204), (1884, 116765), (1930, 113982), (2123, 103620), (2316, 94985), (2355, 93412), (2420, 90903), (2895, 75988), (3140, 70059), (3454, 63690), (3630, 60602), (3860, 56991), (4246, 51810), (4710, 46706), (5181, 42460), (5790, 37994), (6369, 34540), (6908, 31845), (7260, 30301), (8492, 25905), (8635, 25476), (9420, 23353), (10362, 21230), (10615, 20724), (11580, 18997), (12738, 17270)]