209216040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{353}}^1\times {\mathrm{449}}^1$

素因数の和:827

約数の個数: 128

約数和(自身を含む): 688176000

約数和(自身を除く): 478959960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 353, 440, 449, 660, 706, 898, 1059, 1320, 1347, 1412, 1765, 1796, 2118, 2245, 2694, 2824, 3530, 3592, 3883, 4236, 4490, 4939, 5295, 5388, 6735, 7060, 7766, 8472, 8980, 9878, 10590, 10776, 11649, 13470, 14120, 14817, 15532, 17960, 19415, 19756, 21180, 23298, 24695, 26940, 29634, 31064, 38830, 39512, 42360, 46596, 49390, 53880, 58245, 59268, 74085, 77660, 93192, 98780, 116490, 118536, 148170, 155320, 158497, 197560, 232980, 296340, 316994, 465960, 475491, 592680, 633988, 792485, 950982, 1267976, 1584970, 1743467, 1901964, 2377455, 3169940, 3486934, 3803928, 4754910, 5230401, 6339880, 6973868, 8717335, 9509820, 10460802, 13947736, 17434670, 19019640, 20921604, 26152005, 34869340, 41843208, 52304010, 69738680, 104608020, 209216040]

約数ペア:

[(1, 209216040), (2, 104608020), (3, 69738680), (4, 52304010), (5, 41843208), (6, 34869340), (8, 26152005), (10, 20921604), (11, 19019640), (12, 17434670), (15, 13947736), (20, 10460802), (22, 9509820), (24, 8717335), (30, 6973868), (33, 6339880), (40, 5230401), (44, 4754910), (55, 3803928), (60, 3486934), (66, 3169940), (88, 2377455), (110, 1901964), (120, 1743467), (132, 1584970), (165, 1267976), (220, 950982), (264, 792485), (330, 633988), (353, 592680), (440, 475491), (449, 465960), (660, 316994), (706, 296340), (898, 232980), (1059, 197560), (1320, 158497), (1347, 155320), (1412, 148170), (1765, 118536), (1796, 116490), (2118, 98780), (2245, 93192), (2694, 77660), (2824, 74085), (3530, 59268), (3592, 58245), (3883, 53880), (4236, 49390), (4490, 46596), (4939, 42360), (5295, 39512), (5388, 38830), (6735, 31064), (7060, 29634), (7766, 26940), (8472, 24695), (8980, 23298), (9878, 21180), (10590, 19756), (10776, 19415), (11649, 17960), (13470, 15532), (14120, 14817)]