75971420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{7643}}^1$

素因数の和:7730

約数の個数: 48

約数和(自身を含む): 184923648

約数和(自身を除く): 108952228

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, 7643, 9940, 15286, 30572, 38215, 53501, 76430, 107002, 152860, 214004, 267505, 535010, 542653, 1070020, 1085306, 2170612, 2713265, 3798571, 5426530, 7597142, 10853060, 15194284, 18992855, 37985710, 75971420]

約数ペア:

[(1, 75971420), (2, 37985710), (4, 18992855), (5, 15194284), (7, 10853060), (10, 7597142), (14, 5426530), (20, 3798571), (28, 2713265), (35, 2170612), (70, 1085306), (71, 1070020), (140, 542653), (142, 535010), (284, 267505), (355, 214004), (497, 152860), (710, 107002), (994, 76430), (1420, 53501), (1988, 38215), (2485, 30572), (4970, 15286), (7643, 9940)]