204120280

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{8011}}^1$

素因数の和:8049

約数の個数: 96

約数和(自身を含む): 575421840

約数和(自身を除く): 371301560

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 91, 98, 104, 130, 140, 182, 196, 245, 260, 280, 364, 392, 455, 490, 520, 637, 728, 910, 980, 1274, 1820, 1960, 2548, 3185, 3640, 5096, 6370, 8011, 12740, 16022, 25480, 32044, 40055, 56077, 64088, 80110, 104143, 112154, 160220, 208286, 224308, 280385, 320440, 392539, 416572, 448616, 520715, 560770, 729001, 785078, 833144, 1041430, 1121540, 1458002, 1570156, 1962695, 2082860, 2243080, 2916004, 3140312, 3645005, 3925390, 4165720, 5103007, 5832008, 7290010, 7850780, 10206014, 14580020, 15701560, 20412028, 25515035, 29160040, 40824056, 51030070, 102060140, 204120280]

約数ペア:

[(1, 204120280), (2, 102060140), (4, 51030070), (5, 40824056), (7, 29160040), (8, 25515035), (10, 20412028), (13, 15701560), (14, 14580020), (20, 10206014), (26, 7850780), (28, 7290010), (35, 5832008), (40, 5103007), (49, 4165720), (52, 3925390), (56, 3645005), (65, 3140312), (70, 2916004), (91, 2243080), (98, 2082860), (104, 1962695), (130, 1570156), (140, 1458002), (182, 1121540), (196, 1041430), (245, 833144), (260, 785078), (280, 729001), (364, 560770), (392, 520715), (455, 448616), (490, 416572), (520, 392539), (637, 320440), (728, 280385), (910, 224308), (980, 208286), (1274, 160220), (1820, 112154), (1960, 104143), (2548, 80110), (3185, 64088), (3640, 56077), (5096, 40055), (6370, 32044), (8011, 25480), (12740, 16022)]