531583280

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{1123}}^1$

素因数の和:1294

約数の個数: 80

約数和(自身を含む): 1270272864

約数和(自身を除く): 738689584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 97, 122, 194, 244, 305, 388, 485, 488, 610, 776, 970, 976, 1123, 1220, 1552, 1940, 2246, 2440, 3880, 4492, 4880, 5615, 5917, 7760, 8984, 11230, 11834, 17968, 22460, 23668, 29585, 44920, 47336, 59170, 68503, 89840, 94672, 108931, 118340, 137006, 217862, 236680, 274012, 342515, 435724, 473360, 544655, 548024, 685030, 871448, 1089310, 1096048, 1370060, 1742896, 2178620, 2740120, 4357240, 5480240, 6644791, 8714480, 13289582, 26579164, 33223955, 53158328, 66447910, 106316656, 132895820, 265791640, 531583280]

約数ペア:

[(1, 531583280), (2, 265791640), (4, 132895820), (5, 106316656), (8, 66447910), (10, 53158328), (16, 33223955), (20, 26579164), (40, 13289582), (61, 8714480), (80, 6644791), (97, 5480240), (122, 4357240), (194, 2740120), (244, 2178620), (305, 1742896), (388, 1370060), (485, 1096048), (488, 1089310), (610, 871448), (776, 685030), (970, 548024), (976, 544655), (1123, 473360), (1220, 435724), (1552, 342515), (1940, 274012), (2246, 236680), (2440, 217862), (3880, 137006), (4492, 118340), (4880, 108931), (5615, 94672), (5917, 89840), (7760, 68503), (8984, 59170), (11230, 47336), (11834, 44920), (17968, 29585), (22460, 23668)]