129127180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{70949}}^1$

素因数の和:70978

約数の個数: 48

約数和(自身を含む): 333748800

約数和(自身を除く): 204621620

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, 70949, 141898, 283796, 354745, 496643, 709490, 922337, 993286, 1418980, 1844674, 1986572, 2483215, 3689348, 4611685, 4966430, 6456359, 9223370, 9932860, 12912718, 18446740, 25825436, 32281795, 64563590, 129127180]

約数ペア:

[(1, 129127180), (2, 64563590), (4, 32281795), (5, 25825436), (7, 18446740), (10, 12912718), (13, 9932860), (14, 9223370), (20, 6456359), (26, 4966430), (28, 4611685), (35, 3689348), (52, 2483215), (65, 1986572), (70, 1844674), (91, 1418980), (130, 993286), (140, 922337), (182, 709490), (260, 496643), (364, 354745), (455, 283796), (910, 141898), (1820, 70949)]