2019640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{7213}}^1$

素因数の和:7231

約数の個数: 32

約数和(自身を含む): 5194080

約数和(自身を除く): 3174440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 7213, 14426, 28852, 36065, 50491, 57704, 72130, 100982, 144260, 201964, 252455, 288520, 403928, 504910, 1009820, 2019640]

約数ペア:

[(1, 2019640), (2, 1009820), (4, 504910), (5, 403928), (7, 288520), (8, 252455), (10, 201964), (14, 144260), (20, 100982), (28, 72130), (35, 57704), (40, 50491), (56, 36065), (70, 28852), (140, 14426), (280, 7213)]