202019440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{360749}}^1$

素因数の和:360769

約数の個数: 40

約数和(自身を含む): 536796000

約数和(自身を除く): 334776560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 360749, 721498, 1442996, 1803745, 2525243, 2885992, 3607490, 5050486, 5771984, 7214980, 10100972, 12626215, 14429960, 20201944, 25252430, 28859920, 40403888, 50504860, 101009720, 202019440]

約数ペア:

[(1, 202019440), (2, 101009720), (4, 50504860), (5, 40403888), (7, 28859920), (8, 25252430), (10, 20201944), (14, 14429960), (16, 12626215), (20, 10100972), (28, 7214980), (35, 5771984), (40, 5050486), (56, 3607490), (70, 2885992), (80, 2525243), (112, 1803745), (140, 1442996), (280, 721498), (560, 360749)]