198158940

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{7489}}^1$

素因数の和:7521

約数の個数: 144

約数和(自身を含む): 717242400

約数和(自身を除く): 519083460

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 70, 84, 90, 98, 105, 108, 126, 135, 140, 147, 180, 189, 196, 210, 245, 252, 270, 294, 315, 378, 420, 441, 490, 540, 588, 630, 735, 756, 882, 945, 980, 1260, 1323, 1470, 1764, 1890, 2205, 2646, 2940, 3780, 4410, 5292, 6615, 7489, 8820, 13230, 14978, 22467, 26460, 29956, 37445, 44934, 52423, 67401, 74890, 89868, 104846, 112335, 134802, 149780, 157269, 202203, 209692, 224670, 262115, 269604, 314538, 337005, 366961, 404406, 449340, 471807, 524230, 629076, 674010, 733922, 786345, 808812, 943614, 1011015, 1048460, 1100883, 1348020, 1415421, 1467844, 1572690, 1834805, 1887228, 2022030, 2201766, 2359035, 2830842, 3145380, 3302649, 3669610, 4044060, 4403532, 4718070, 5504415, 5661684, 6605298, 7077105, 7339220, 9436140, 9907947, 11008830, 13210596, 14154210, 16513245, 19815894, 22017660, 28308420, 33026490, 39631788, 49539735, 66052980, 99079470, 198158940]

約数ペア:

[(1, 198158940), (2, 99079470), (3, 66052980), (4, 49539735), (5, 39631788), (6, 33026490), (7, 28308420), (9, 22017660), (10, 19815894), (12, 16513245), (14, 14154210), (15, 13210596), (18, 11008830), (20, 9907947), (21, 9436140), (27, 7339220), (28, 7077105), (30, 6605298), (35, 5661684), (36, 5504415), (42, 4718070), (45, 4403532), (49, 4044060), (54, 3669610), (60, 3302649), (63, 3145380), (70, 2830842), (84, 2359035), (90, 2201766), (98, 2022030), (105, 1887228), (108, 1834805), (126, 1572690), (135, 1467844), (140, 1415421), (147, 1348020), (180, 1100883), (189, 1048460), (196, 1011015), (210, 943614), (245, 808812), (252, 786345), (270, 733922), (294, 674010), (315, 629076), (378, 524230), (420, 471807), (441, 449340), (490, 404406), (540, 366961), (588, 337005), (630, 314538), (735, 269604), (756, 262115), (882, 224670), (945, 209692), (980, 202203), (1260, 157269), (1323, 149780), (1470, 134802), (1764, 112335), (1890, 104846), (2205, 89868), (2646, 74890), (2940, 67401), (3780, 52423), (4410, 44934), (5292, 37445), (6615, 29956), (7489, 26460), (8820, 22467), (13230, 14978)]