201690548

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1\times {\mathrm{251}}^1$

素因数の和:480

約数の個数: 48

約数和(自身を含む): 380318400

約数和(自身を除く): 178627852

約数列:

[1, 2, 4, 19, 38, 76, 97, 109, 194, 218, 251, 388, 436, 502, 1004, 1843, 2071, 3686, 4142, 4769, 7372, 8284, 9538, 10573, 19076, 21146, 24347, 27359, 42292, 48694, 54718, 97388, 109436, 200887, 401774, 462593, 519821, 803548, 925186, 1039642, 1850372, 2079284, 2653823, 5307646, 10615292, 50422637, 100845274, 201690548]

約数ペア:

[(1, 201690548), (2, 100845274), (4, 50422637), (19, 10615292), (38, 5307646), (76, 2653823), (97, 2079284), (109, 1850372), (194, 1039642), (218, 925186), (251, 803548), (388, 519821), (436, 462593), (502, 401774), (1004, 200887), (1843, 109436), (2071, 97388), (3686, 54718), (4142, 48694), (4769, 42292), (7372, 27359), (8284, 24347), (9538, 21146), (10573, 19076)]