7427143780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{639169}}^1$

素因数の和:639268

約数の個数: 48

約数和(自身を含む): 18039934080

約数和(自身を除く): 10612790300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 83, 140, 166, 332, 415, 581, 830, 1162, 1660, 2324, 2905, 5810, 11620, 639169, 1278338, 2556676, 3195845, 4474183, 6391690, 8948366, 12783380, 17896732, 22370915, 44741830, 53051027, 89483660, 106102054, 212204108, 265255135, 371357189, 530510270, 742714378, 1061020540, 1485428756, 1856785945, 3713571890, 7427143780]

約数ペア:

[(1, 7427143780), (2, 3713571890), (4, 1856785945), (5, 1485428756), (7, 1061020540), (10, 742714378), (14, 530510270), (20, 371357189), (28, 265255135), (35, 212204108), (70, 106102054), (83, 89483660), (140, 53051027), (166, 44741830), (332, 22370915), (415, 17896732), (581, 12783380), (830, 8948366), (1162, 6391690), (1660, 4474183), (2324, 3195845), (2905, 2556676), (5810, 1278338), (11620, 639169)]