253637020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139361}}^1$

素因数の和:139390

約数の個数: 48

約数和(自身を含む): 655558848

約数和(自身を除く): 401921828

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 139361, 278722, 557444, 696805, 975527, 1393610, 1811693, 1951054, 2787220, 3623386, 3902108, 4877635, 7246772, 9058465, 9755270, 12681851, 18116930, 19510540, 25363702, 36233860, 50727404, 63409255, 126818510, 253637020]

約数ペア:

[(1, 253637020), (2, 126818510), (4, 63409255), (5, 50727404), (7, 36233860), (10, 25363702), (13, 19510540), (14, 18116930), (20, 12681851), (26, 9755270), (28, 9058465), (35, 7246772), (52, 4877635), (65, 3902108), (70, 3623386), (91, 2787220), (130, 1951054), (140, 1811693), (182, 1393610), (260, 975527), (364, 696805), (455, 557444), (910, 278722), (1820, 139361)]