2773291240

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{42457}}^1$

素因数の和:42562

約数の個数: 64

約数和(自身を含む): 6603068160

約数和(自身を除く): 3829776920

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 71, 92, 115, 142, 184, 230, 284, 355, 460, 568, 710, 920, 1420, 1633, 2840, 3266, 6532, 8165, 13064, 16330, 32660, 42457, 65320, 84914, 169828, 212285, 339656, 424570, 849140, 976511, 1698280, 1953022, 3014447, 3906044, 4882555, 6028894, 7812088, 9765110, 12057788, 15072235, 19530220, 24115576, 30144470, 39060440, 60288940, 69332281, 120577880, 138664562, 277329124, 346661405, 554658248, 693322810, 1386645620, 2773291240]

約数ペア:

[(1, 2773291240), (2, 1386645620), (4, 693322810), (5, 554658248), (8, 346661405), (10, 277329124), (20, 138664562), (23, 120577880), (40, 69332281), (46, 60288940), (71, 39060440), (92, 30144470), (115, 24115576), (142, 19530220), (184, 15072235), (230, 12057788), (284, 9765110), (355, 7812088), (460, 6028894), (568, 4882555), (710, 3906044), (920, 3014447), (1420, 1953022), (1633, 1698280), (2840, 976511), (3266, 849140), (6532, 424570), (8165, 339656), (13064, 212285), (16330, 169828), (32660, 84914), (42457, 65320)]