2070460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{643}}^1$

素因数の和:682

約数の個数: 48

約数和(自身を含む): 5193216

約数和(自身を除く): 3122756

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 643, 644, 805, 1286, 1610, 2572, 3215, 3220, 4501, 6430, 9002, 12860, 14789, 18004, 22505, 29578, 45010, 59156, 73945, 90020, 103523, 147890, 207046, 295780, 414092, 517615, 1035230, 2070460]

約数ペア:

[(1, 2070460), (2, 1035230), (4, 517615), (5, 414092), (7, 295780), (10, 207046), (14, 147890), (20, 103523), (23, 90020), (28, 73945), (35, 59156), (46, 45010), (70, 29578), (92, 22505), (115, 18004), (140, 14789), (161, 12860), (230, 9002), (322, 6430), (460, 4501), (643, 3220), (644, 3215), (805, 2572), (1286, 1610)]