206855460

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{499}}^1$

素因数の和:575

約数の個数: 216

約数和(自身を含む): 746928000

約数和(自身を除く): 540072540

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 47, 49, 60, 63, 70, 84, 90, 94, 98, 105, 126, 140, 141, 147, 180, 188, 196, 210, 235, 245, 252, 282, 294, 315, 329, 420, 423, 441, 470, 490, 499, 564, 588, 630, 658, 705, 735, 846, 882, 940, 980, 987, 998, 1260, 1316, 1410, 1470, 1497, 1645, 1692, 1764, 1974, 1996, 2115, 2205, 2303, 2495, 2820, 2940, 2961, 2994, 3290, 3493, 3948, 4230, 4410, 4491, 4606, 4935, 4990, 5922, 5988, 6580, 6909, 6986, 7485, 8460, 8820, 8982, 9212, 9870, 9980, 10479, 11515, 11844, 13818, 13972, 14805, 14970, 17465, 17964, 19740, 20727, 20958, 22455, 23030, 23453, 24451, 27636, 29610, 29940, 31437, 34545, 34930, 41454, 41916, 44910, 46060, 46906, 48902, 52395, 59220, 62874, 69090, 69860, 70359, 73353, 82908, 89820, 93812, 97804, 103635, 104790, 117265, 122255, 125748, 138180, 140718, 146706, 157185, 164171, 207270, 209580, 211077, 220059, 234530, 244510, 281436, 293412, 314370, 328342, 351795, 366765, 414540, 422154, 440118, 469060, 489020, 492513, 628740, 656684, 703590, 733530, 820855, 844308, 880236, 985026, 1055385, 1100295, 1149197, 1407180, 1467060, 1477539, 1641710, 1970052, 2110770, 2200590, 2298394, 2462565, 2955078, 3283420, 3447591, 4221540, 4401180, 4596788, 4925130, 5745985, 5910156, 6895182, 7387695, 9850260, 10342773, 11491970, 13790364, 14775390, 17237955, 20685546, 22983940, 29550780, 34475910, 41371092, 51713865, 68951820, 103427730, 206855460]

約数ペア:

[(1, 206855460), (2, 103427730), (3, 68951820), (4, 51713865), (5, 41371092), (6, 34475910), (7, 29550780), (9, 22983940), (10, 20685546), (12, 17237955), (14, 14775390), (15, 13790364), (18, 11491970), (20, 10342773), (21, 9850260), (28, 7387695), (30, 6895182), (35, 5910156), (36, 5745985), (42, 4925130), (45, 4596788), (47, 4401180), (49, 4221540), (60, 3447591), (63, 3283420), (70, 2955078), (84, 2462565), (90, 2298394), (94, 2200590), (98, 2110770), (105, 1970052), (126, 1641710), (140, 1477539), (141, 1467060), (147, 1407180), (180, 1149197), (188, 1100295), (196, 1055385), (210, 985026), (235, 880236), (245, 844308), (252, 820855), (282, 733530), (294, 703590), (315, 656684), (329, 628740), (420, 492513), (423, 489020), (441, 469060), (470, 440118), (490, 422154), (499, 414540), (564, 366765), (588, 351795), (630, 328342), (658, 314370), (705, 293412), (735, 281436), (846, 244510), (882, 234530), (940, 220059), (980, 211077), (987, 209580), (998, 207270), (1260, 164171), (1316, 157185), (1410, 146706), (1470, 140718), (1497, 138180), (1645, 125748), (1692, 122255), (1764, 117265), (1974, 104790), (1996, 103635), (2115, 97804), (2205, 93812), (2303, 89820), (2495, 82908), (2820, 73353), (2940, 70359), (2961, 69860), (2994, 69090), (3290, 62874), (3493, 59220), (3948, 52395), (4230, 48902), (4410, 46906), (4491, 46060), (4606, 44910), (4935, 41916), (4990, 41454), (5922, 34930), (5988, 34545), (6580, 31437), (6909, 29940), (6986, 29610), (7485, 27636), (8460, 24451), (8820, 23453), (8982, 23030), (9212, 22455), (9870, 20958), (9980, 20727), (10479, 19740), (11515, 17964), (11844, 17465), (13818, 14970), (13972, 14805)]