205379972

素因数分解:

$2^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1571}}^1$

素因数の和:1641

約数の個数: 72

約数和(自身を含む): 451604160

約数和(自身を除く): 246224188

約数列:

[1, 2, 4, 7, 14, 23, 28, 29, 46, 49, 58, 92, 98, 116, 161, 196, 203, 322, 406, 644, 667, 812, 1127, 1334, 1421, 1571, 2254, 2668, 2842, 3142, 4508, 4669, 5684, 6284, 9338, 10997, 18676, 21994, 32683, 36133, 43988, 45559, 65366, 72266, 76979, 91118, 130732, 144532, 153958, 182236, 252931, 307916, 318913, 505862, 637826, 1011724, 1047857, 1275652, 1770517, 2095714, 2232391, 3541034, 4191428, 4464782, 7082068, 7334999, 8929564, 14669998, 29339996, 51344993, 102689986, 205379972]

約数ペア:

[(1, 205379972), (2, 102689986), (4, 51344993), (7, 29339996), (14, 14669998), (23, 8929564), (28, 7334999), (29, 7082068), (46, 4464782), (49, 4191428), (58, 3541034), (92, 2232391), (98, 2095714), (116, 1770517), (161, 1275652), (196, 1047857), (203, 1011724), (322, 637826), (406, 505862), (644, 318913), (667, 307916), (812, 252931), (1127, 182236), (1334, 153958), (1421, 144532), (1571, 130732), (2254, 91118), (2668, 76979), (2842, 72266), (3142, 65366), (4508, 45559), (4669, 43988), (5684, 36133), (6284, 32683), (9338, 21994), (10997, 18676)]