1343440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{2399}}^1$

素因数の和:2419

約数の個数: 40

約数和(自身を含む): 3571200

約数和(自身を除く): 2227760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 2399, 4798, 9596, 11995, 16793, 19192, 23990, 33586, 38384, 47980, 67172, 83965, 95960, 134344, 167930, 191920, 268688, 335860, 671720, 1343440]

約数ペア:

[(1, 1343440), (2, 671720), (4, 335860), (5, 268688), (7, 191920), (8, 167930), (10, 134344), (14, 95960), (16, 83965), (20, 67172), (28, 47980), (35, 38384), (40, 33586), (56, 23990), (70, 19192), (80, 16793), (112, 11995), (140, 9596), (280, 4798), (560, 2399)]