2141020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{373}}^1$

素因数の和:430

約数の個数: 48

約数和(自身を含む): 5277888

約数和(自身を除く): 3136868

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 373, 410, 574, 746, 820, 1148, 1435, 1492, 1865, 2611, 2870, 3730, 5222, 5740, 7460, 10444, 13055, 15293, 26110, 30586, 52220, 61172, 76465, 107051, 152930, 214102, 305860, 428204, 535255, 1070510, 2141020]

約数ペア:

[(1, 2141020), (2, 1070510), (4, 535255), (5, 428204), (7, 305860), (10, 214102), (14, 152930), (20, 107051), (28, 76465), (35, 61172), (41, 52220), (70, 30586), (82, 26110), (140, 15293), (164, 13055), (205, 10444), (287, 7460), (373, 5740), (410, 5222), (574, 3730), (746, 2870), (820, 2611), (1148, 1865), (1435, 1492)]