211749820

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1\times {\mathrm{1291}}^1$

素因数の和:1498

約数の個数: 48

約数和(自身を含む): 455817600

約数和(自身を除く): 244067780

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 139, 236, 278, 295, 556, 590, 695, 1180, 1291, 1390, 2582, 2780, 5164, 6455, 8201, 12910, 16402, 25820, 32804, 41005, 76169, 82010, 152338, 164020, 179449, 304676, 358898, 380845, 717796, 761690, 897245, 1523380, 1794490, 3588980, 10587491, 21174982, 42349964, 52937455, 105874910, 211749820]

約数ペア:

[(1, 211749820), (2, 105874910), (4, 52937455), (5, 42349964), (10, 21174982), (20, 10587491), (59, 3588980), (118, 1794490), (139, 1523380), (236, 897245), (278, 761690), (295, 717796), (556, 380845), (590, 358898), (695, 304676), (1180, 179449), (1291, 164020), (1390, 152338), (2582, 82010), (2780, 76169), (5164, 41005), (6455, 32804), (8201, 25820), (12910, 16402)]