2019792380

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{61843}}^1$

素因数の和:61946

約数の個数: 48

約数和(自身を含む): 4488390144

約数和(自身を除く): 2468597764

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 71, 92, 115, 142, 230, 284, 355, 460, 710, 1420, 1633, 3266, 6532, 8165, 16330, 32660, 61843, 123686, 247372, 309215, 618430, 1236860, 1422389, 2844778, 4390853, 5689556, 7111945, 8781706, 14223890, 17563412, 21954265, 28447780, 43908530, 87817060, 100989619, 201979238, 403958476, 504948095, 1009896190, 2019792380]

約数ペア:

[(1, 2019792380), (2, 1009896190), (4, 504948095), (5, 403958476), (10, 201979238), (20, 100989619), (23, 87817060), (46, 43908530), (71, 28447780), (92, 21954265), (115, 17563412), (142, 14223890), (230, 8781706), (284, 7111945), (355, 5689556), (460, 4390853), (710, 2844778), (1420, 1422389), (1633, 1236860), (3266, 618430), (6532, 309215), (8165, 247372), (16330, 123686), (32660, 61843)]