2041786460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{487}}^1\times {\mathrm{29947}}^1$

素因数の和:30450

約数の個数: 48

約数和(自身を含む): 4910513664

約数和(自身を除く): 2868727204

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 487, 974, 1948, 2435, 3409, 4870, 6818, 9740, 13636, 17045, 29947, 34090, 59894, 68180, 119788, 149735, 209629, 299470, 419258, 598940, 838516, 1048145, 2096290, 4192580, 14584189, 29168378, 58336756, 72920945, 102089323, 145841890, 204178646, 291683780, 408357292, 510446615, 1020893230, 2041786460]

約数ペア:

[(1, 2041786460), (2, 1020893230), (4, 510446615), (5, 408357292), (7, 291683780), (10, 204178646), (14, 145841890), (20, 102089323), (28, 72920945), (35, 58336756), (70, 29168378), (140, 14584189), (487, 4192580), (974, 2096290), (1948, 1048145), (2435, 838516), (3409, 598940), (4870, 419258), (6818, 299470), (9740, 209629), (13636, 149735), (17045, 119788), (29947, 68180), (34090, 59894)]