28295190

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1361}}^1$

素因数の和:1395

約数の個数: 128

約数和(自身を含む): 94141440

約数和(自身を除く): 65846250

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 14, 15, 18, 21, 22, 27, 30, 33, 35, 42, 45, 54, 55, 63, 66, 70, 77, 90, 99, 105, 110, 126, 135, 154, 165, 189, 198, 210, 231, 270, 297, 315, 330, 378, 385, 462, 495, 594, 630, 693, 770, 945, 990, 1155, 1361, 1386, 1485, 1890, 2079, 2310, 2722, 2970, 3465, 4083, 4158, 6805, 6930, 8166, 9527, 10395, 12249, 13610, 14971, 19054, 20415, 20790, 24498, 28581, 29942, 36747, 40830, 44913, 47635, 57162, 61245, 73494, 74855, 85743, 89826, 95270, 104797, 122490, 134739, 142905, 149710, 171486, 183735, 209594, 224565, 257229, 269478, 285810, 314391, 367470, 404217, 428715, 449130, 514458, 523985, 628782, 673695, 808434, 857430, 943173, 1047970, 1286145, 1347390, 1571955, 1886346, 2021085, 2572290, 2829519, 3143910, 4042170, 4715865, 5659038, 9431730, 14147595, 28295190]

約数ペア:

[(1, 28295190), (2, 14147595), (3, 9431730), (5, 5659038), (6, 4715865), (7, 4042170), (9, 3143910), (10, 2829519), (11, 2572290), (14, 2021085), (15, 1886346), (18, 1571955), (21, 1347390), (22, 1286145), (27, 1047970), (30, 943173), (33, 857430), (35, 808434), (42, 673695), (45, 628782), (54, 523985), (55, 514458), (63, 449130), (66, 428715), (70, 404217), (77, 367470), (90, 314391), (99, 285810), (105, 269478), (110, 257229), (126, 224565), (135, 209594), (154, 183735), (165, 171486), (189, 149710), (198, 142905), (210, 134739), (231, 122490), (270, 104797), (297, 95270), (315, 89826), (330, 85743), (378, 74855), (385, 73494), (462, 61245), (495, 57162), (594, 47635), (630, 44913), (693, 40830), (770, 36747), (945, 29942), (990, 28581), (1155, 24498), (1361, 20790), (1386, 20415), (1485, 19054), (1890, 14971), (2079, 13610), (2310, 12249), (2722, 10395), (2970, 9527), (3465, 8166), (4083, 6930), (4158, 6805)]