198513280

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{607}}^1$

素因数の和:706

約数の個数: 128

約数和(自身を含む): 550702080

約数和(自身を除く): 352188800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 73, 80, 112, 128, 140, 146, 160, 224, 280, 292, 320, 365, 448, 511, 560, 584, 607, 640, 730, 896, 1022, 1120, 1168, 1214, 1460, 2044, 2240, 2336, 2428, 2555, 2920, 3035, 4088, 4249, 4480, 4672, 4856, 5110, 5840, 6070, 8176, 8498, 9344, 9712, 10220, 11680, 12140, 16352, 16996, 19424, 20440, 21245, 23360, 24280, 32704, 33992, 38848, 40880, 42490, 44311, 46720, 48560, 65408, 67984, 77696, 81760, 84980, 88622, 97120, 135968, 163520, 169960, 177244, 194240, 221555, 271936, 310177, 327040, 339920, 354488, 388480, 443110, 543872, 620354, 679840, 708976, 886220, 1240708, 1359680, 1417952, 1550885, 1772440, 2481416, 2719360, 2835904, 3101770, 3544880, 4962832, 5671808, 6203540, 7089760, 9925664, 12407080, 14179520, 19851328, 24814160, 28359040, 39702656, 49628320, 99256640, 198513280]

約数ペア:

[(1, 198513280), (2, 99256640), (4, 49628320), (5, 39702656), (7, 28359040), (8, 24814160), (10, 19851328), (14, 14179520), (16, 12407080), (20, 9925664), (28, 7089760), (32, 6203540), (35, 5671808), (40, 4962832), (56, 3544880), (64, 3101770), (70, 2835904), (73, 2719360), (80, 2481416), (112, 1772440), (128, 1550885), (140, 1417952), (146, 1359680), (160, 1240708), (224, 886220), (280, 708976), (292, 679840), (320, 620354), (365, 543872), (448, 443110), (511, 388480), (560, 354488), (584, 339920), (607, 327040), (640, 310177), (730, 271936), (896, 221555), (1022, 194240), (1120, 177244), (1168, 169960), (1214, 163520), (1460, 135968), (2044, 97120), (2240, 88622), (2336, 84980), (2428, 81760), (2555, 77696), (2920, 67984), (3035, 65408), (4088, 48560), (4249, 46720), (4480, 44311), (4672, 42490), (4856, 40880), (5110, 38848), (5840, 33992), (6070, 32704), (8176, 24280), (8498, 23360), (9344, 21245), (9712, 20440), (10220, 19424), (11680, 16996), (12140, 16352)]