2116721180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{659}}^1\times {\mathrm{22943}}^1$

素因数の和:23618

約数の個数: 48

約数和(自身を含む): 5088061440

約数和(自身を除く): 2971340260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 659, 1318, 2636, 3295, 4613, 6590, 9226, 13180, 18452, 22943, 23065, 45886, 46130, 91772, 92260, 114715, 160601, 229430, 321202, 458860, 642404, 803005, 1606010, 3212020, 15119437, 30238874, 60477748, 75597185, 105836059, 151194370, 211672118, 302388740, 423344236, 529180295, 1058360590, 2116721180]

約数ペア:

[(1, 2116721180), (2, 1058360590), (4, 529180295), (5, 423344236), (7, 302388740), (10, 211672118), (14, 151194370), (20, 105836059), (28, 75597185), (35, 60477748), (70, 30238874), (140, 15119437), (659, 3212020), (1318, 1606010), (2636, 803005), (3295, 642404), (4613, 458860), (6590, 321202), (9226, 229430), (13180, 160601), (18452, 114715), (22943, 92260), (23065, 91772), (45886, 46130)]