54103420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{5443}}^1$

素因数の和:5530

約数の個数: 48

約数和(自身を含む): 131701248

約数和(自身を除く): 77597828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4970, 5443, 9940, 10886, 21772, 27215, 38101, 54430, 76202, 108860, 152404, 190505, 381010, 386453, 762020, 772906, 1545812, 1932265, 2705171, 3864530, 5410342, 7729060, 10820684, 13525855, 27051710, 54103420]

約数ペア:

[(1, 54103420), (2, 27051710), (4, 13525855), (5, 10820684), (7, 7729060), (10, 5410342), (14, 3864530), (20, 2705171), (28, 1932265), (35, 1545812), (70, 772906), (71, 762020), (140, 386453), (142, 381010), (284, 190505), (355, 152404), (497, 108860), (710, 76202), (994, 54430), (1420, 38101), (1988, 27215), (2485, 21772), (4970, 10886), (5443, 9940)]