2116890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{547}}^1$

素因数の和:603

約数の個数: 48

約数和(自身を含む): 5642208

約数和(自身を除く): 3525318

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 43, 45, 86, 90, 129, 215, 258, 387, 430, 547, 645, 774, 1094, 1290, 1641, 1935, 2735, 3282, 3870, 4923, 5470, 8205, 9846, 16410, 23521, 24615, 47042, 49230, 70563, 117605, 141126, 211689, 235210, 352815, 423378, 705630, 1058445, 2116890]

約数ペア:

[(1, 2116890), (2, 1058445), (3, 705630), (5, 423378), (6, 352815), (9, 235210), (10, 211689), (15, 141126), (18, 117605), (30, 70563), (43, 49230), (45, 47042), (86, 24615), (90, 23521), (129, 16410), (215, 9846), (258, 8205), (387, 5470), (430, 4923), (547, 3870), (645, 3282), (774, 2735), (1094, 1935), (1290, 1641)]