450100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{643}}^1$

素因数の和:664

約数の個数: 36

約数和(自身を含む): 1117984

約数和(自身を除く): 667884

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 643, 700, 1286, 2572, 3215, 4501, 6430, 9002, 12860, 16075, 18004, 22505, 32150, 45010, 64300, 90020, 112525, 225050, 450100]

約数ペア:

[(1, 450100), (2, 225050), (4, 112525), (5, 90020), (7, 64300), (10, 45010), (14, 32150), (20, 22505), (25, 18004), (28, 16075), (35, 12860), (50, 9002), (70, 6430), (100, 4501), (140, 3215), (175, 2572), (350, 1286), (643, 700)]